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Security Screws (flat)
Security Screws, also known as Tamper-Resistant Screws, can be either machine screw style or self-tapping style, but they have a unique drive-style requires a special tool in order to tighten or loosen.
Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) (flat), showing 200, (click on any line for more information)
| Search Results Sponsored by Loss Prevention Fasteners, your source for Tamper-Proof Screws. For more results, visit www.LossPreventionFasteners.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 2 | torx-pin flat ss | inquire |
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| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/4 | hex pin flat | inquire |
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| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 2 | hex-pin flat ss | inquire |
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| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1/2 | 6-lobe flat | inquire |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/4 | spanner flat m/s 18-8 s/s | 100.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 1/4 | spanner flat m/s 18-8 s/s | 100.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 | spanner flat type-a 18-8 s/s | 70.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1 1/4 | spanner flat m/s 18-8 s/s | 600.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 2 | spanner flat m/s 18-8 s/s | 100.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | spanner flat type-a 18-8 s/s | 100.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4-24 x 1 1/2 | tamper resistant torx flat | 200,600.0 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/4 | flat torx with pin tamper resistant 18-8 304 (t-15 drive) | 43 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | flat torx with pin tamper resistant 18-8 304 (t-15 drive) | 12 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/4 | flat torx with pin tamper resistant 18-8 304 (t-15 drive) | 50 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 | flat torx with pin tamper resistant 18-8 304 (t-15 drive) | 48 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | flat torx with pin tamper resistant 18-8 304 #t6f25c200ss | 21 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 3/4 | flat 6-lobe w/ pin tamper resistant tapping 18-8 304 | 11 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 | flat 6-lobe w/ pin tamper resistant tapping 18-8 304 (t-15 drive) | 196 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1 1/4 | flat 6-lobe w/ pin tamper resistant tapping 18-8 304 | 100 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 1 1/2 | flat tri wing sms 6-lobe w/ pin tamper resistant tapping 18-8 304 | 3 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 | flat spanner tapping ss | 86 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 | flat spanner tapping ss | 80 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 6-32 x 1-1/2 flat torx with pin machine screw tamper resistant stainless steel (t-15 drive) | 50 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 8-32 x 1/4 flat 6-lobe w/ pin machine screw tamper resistant under cut stainless steel | 200 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 10-24 x 1 1/2 flat 6-lobe w/ pin machine screw tamper resistant stainless steel | 50 |
| |
| Weaver | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1 1/4 | #10x1 1/4 flat socket sheet metal tamper pruf 18-8ss | 139 |
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| Weaver | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1 1/2 | #10x1 1/2 flat socket sheet metal tamper pruf 18-8ss | 98 |
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| Weaver | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 1 | 1/4-20x1 torx flat socket tamper pruf plain | 90 |
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| Weaver | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 2 | 1/4-20x2 torx flat socket tamper pruf plain | 105 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-12 x 1 1/2 | #10-12 x 1-1/2 flat head 6-lobe w/ pin tamper resistant ab tapping screw t-20 drive stainless steel | 100 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 1 | flat 6-lobe w/ pin tamper resistant a tapping 18-8 304 | 100 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 10 | m4x10 flat pin-torx mach screw 18-8 (M4X10 FLAT HEAD PIN-TORX SECURITY MACHINE SCREW 18-8 STAINLESS) (M4X10 FLAT HEAD PIN-TORX SECURITY MACHINE SCREW 18-8 STAINLESS) | 500 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4-40 x 3/16 | 4-40 x 3/16 socket w/pin flat head (ALLOY) (ALLOY) | 1000 |
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| YANKEE | NH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | 6-32 x 1/2 tamper-resistant torx pin-in flat head machine screw 18-8 stainless steel | 104 |
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| YANKEE | NH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 1/2 | 8-32 x 1-1/2 security screw flat head phillips pin-in 18-8 stainless steel | 100 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 spanner flat hd m/s (18-8) (18-8) | 70 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #8-32 x 3/8 | 8-32 x 3/8 flat torx-pin security screw (18-8 S/S (T-15 DRIVE)) (18-8 S/S (T-15 DRIVE)) | 2300 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-32 x 1/2 | 10-32 x 1/2 flat hd socket soc cap w/pin (18-8 SS) (18-8 SS) | 13621 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-32 x 3/4 | 10-32 x 3/4 flat hd socket soc cap w/pin (18-8 SS) (18-8 SS) | 22000 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-32 x 1 | 10-32 x 1 flat hd socket soc cap w/ pin (18-8-SS) (18-8-SS) | 12212 |
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| NAPPCO | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | 10-32x5/8 flat spanner m/s s/s 18-8 (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) | 324 |
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| NAPPCO | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32x1/2 flat spanner m/s s/s 18-8 (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) | 203 |
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| NAPPCO | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 | 10-32x1 flat spanner m/s s/s 18-8 (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) (170-TAMPER-PROOF (ALL ITEMS)) | 200 |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | M4 x 16 | tamperproof m4 x 16 spanner flat hd (SNAKE EYES S/S BLACK PAINTED HEADS) (SNAKE EYES S/S BLACK PAINTED HEADS) () () | 900 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M3-0.50 x 10 | m3-.5 x 10 tmprprf flat soc s/s | 695 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 1 | #10 x 1 torx tmprprf flat sms s/s | 200 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 1 | #14 x 1 torx tmprprf flat sms s/s | 100 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | #6 x 1/2 torx tmprprf flat sms s/s | 3 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 | #8 x 1 torx tmprprf flat sms s/s | 75 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8 x 3/4 torx tmprprf flat sms s/s | 200 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24 x 1/2 tmprprf flat soc s/s | 150 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/4 | 10-24 x 3/4 tmprprf flat soc s/s | 100 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | 10-32 x 5/8 tmprprf flat soc s/s | 100 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #6-32 x 1 | 6-32 x 1 tamper-proof flat socket alloy | 75 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1 | 6-32x1 flat spanner m/s 18-8/a2 | 1000 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 x 1 1/2 | 12-24x1-1/2 18-8 s/s steel flat head snake eye machine screw | 300 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 18-8 s/s steel size 27 torx driver 6-lobe pin flat head security machine screw | 20 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | 1/4-20x1-1/2 18-8 s/s steel spanner flat head machine screw | 1000 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 1/4 | 8-32x1-1/4 18-8 s/s steel 6-lobe pin flat head security machine screw | 65160 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 | 8-32x1 18-8 s/s steel spanner flat head tamperproof machine screw | 200 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | 8-32x3/8 18-8 s/s steel torx-licensed flat pin head machine screw | 1000 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1 | 3/8-16x1 18-8 s/s steel t45 6-lobe pin flat head security machine screw | 150 |
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| Endries | WI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20x3/4 18-8 s/s steel size 27 torx driver 6-lobe pin flat head security machine screw | 197 |
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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16x2 flat head socket cap screw (18-8) stainless steel with tamperproof pin | inquire |
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| MTP | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 2 | #12 x 2 s.s flat head self drilling torx tamperproof t27 | stock |
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| ACCURATE | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | torx w/pin flat 18-8 304 (uses t-20 driver) | 5200 |
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| ACCURATE | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | spanner drive flat 18-8 tamper resistant | 76 |
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| Liberty | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Painted | #8-32 x 1 | torx (6-lobe) flat 100 18-8 s/s w/pin white | 2,180 |
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| Liberty | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 1/4 | torx flat 100 with pin 18-8 304 t15 drive | 816 |
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| Liberty | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 1/4 | 8-32x1-1/4 torx flat head machine screw t-15 drive with pin 18-8 s/s steel | 2,000 |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 | flat security top t-45 pin in torx 18-8 304 | 62 |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | flat spanner 18-8 304 m/s | 2900 |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20x1 flat notched tamperproof m/s zp STP-25X1.00FNZP | 925 |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 3/8 | hex flat socket cap 18-8 304 pin in socket-tamper resistant | 4250 |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Nickel | #6-32 x 1 1/2 | 6/32 x 1-1/2 spanner flat m/s nickel pl | 5500 |
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| UNEEDA | NJ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #8-32 x 3/8 | flat spanner m/s | 500 |
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| RCFast | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | 8-32x3/8 torx flat tamperproof pin m/s 360 deg lt-202 green 18-8 304 t-15 (.325 dia max) shelf life cert req | 3375 |
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| RCFast | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10 x 1 1/2 | torx flat tek w/tmprf pin (t20) stl 1 | 1067 |
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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 2 | 3/8-16x2 flat socket cap (18-8) with tamperproof pin | inquire |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 5/8 | spanner flat t/s 18-8 | 440 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 1 | in spanner flat m/s 18-8 | 84 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Brass | Plain | #8-32 x 1 1/2 | spanner flat m/s brs | 83 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1 | in spanner flat m/s 18-8 | 878 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/4 | spanner flat m/s 18-8 | 240 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | spanner flat m/s 18-8 | 396 |
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| MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Brass | Plain | #8-32 x 1/2 | spanner flat m/s brs | 51 |
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| JHP Fasteners | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/8 | screw mach. drilled spanner/82-deg flat 6-32x3/8 18-8 304 steel | 700 |
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| MTP | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 1/4 | # 8 x 1 1/4 flat head torx tamperproof s.s. t15 | stock |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/4 | spanner flat m/s 18-8 s/s | 100.0 |
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| MESAFAST | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 1/2 | spanner flat type-a 18-8 s/s | 100.0 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/2 | flat spanner 18-8 304 s/s | 34 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | flat spanner ss | 126 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 2 | flat snake eye m/s ss | 100 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | flat spanner ss | 170 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 1 | flat pin sc 5/32 | 200 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 3/4 | flat pin sc ally 5/32 | 200 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 2 1/2 | flat ms spanner ss | 204 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/8 | flat spanner 18-8 | 176 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 5/8 | flat pin torx 18-8 t25 | 329 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/4 | flat pin torx 18-8 t25 | 500 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/4 | flat pin sc 18-8 5/32 | 279 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | flat pin sc 18-8 532 | 100 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/4 | flat pin sc 18-8 1/8 | 200 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | flat pin sc 18-8 1/8 | 91 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1 1/2 | flat pin sc 18-8 532 | 50 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | flat pin torx 18-8t25 | 251 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1 1/4 | flat pin torx 18-8t25 | 400 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/2 | flat pin torx 18-8t25 | 253 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | flat pin torx 18-8 t25 | 355 |
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| HBBOLT | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | flat pin sc 18-8 5/32 | 181 |
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| QFC | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 socket flat head security screw 18-8 s/s steel | 235 |
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| QFC | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20x3/4 flat socket c/s security pin domestic 18-8 | 996 |
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| QFC | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20x3/4 spanner(snake eye) flat head machine screw 18-8 s/s steel | 1192 |
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| QFC | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20x1 flat socket security pin 18-8 s/s | 96 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 3/4 | 10/24x3/4 flat head under cut | 24 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | M#10 | m6x1.0x12 #10 flat hd keyed-l | 815 |
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| ISSCO | MO | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-16 x 1 1/2 | torx tamperproof pin flat hd type-ab | 800 |
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| SIS | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/8 | 10-24x3/8 flat sock tamper proof pin 18-8 | 100 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 5/8 | 8/32 x 5/8 flat socket hex pin security cap screw 18-8 s/s | 85 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 flat socket hex pin security cap screw 18-8 s/s | 74 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 flat socket hex pin security cap screw 18-8 s/s | 55 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 flat socket cap screw hex pin security 18-8 stainless | 92 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 flat socket cap screw hex pin security 18-8 stainless | 30 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 flat socket cap screw hex pin security 18-8 stainless | 90 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | #6 x 1/2 flat spanner security scew s/m/s stainless | 94 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1/2 | #6 x 1/2 flat torx-pin security s m s stainless | 28 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 1 | #6 x 1 flat 6-lobe torx-pin security s m s stainless | 110 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8 x 3/4 flat torx-pin security s m s stainless | 117 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 | #8 x 1 flat torx-pin security s m s stainless | 410 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 1/4 | #8 x 1 1/4 flat torx-pin security s m s stainless | 10 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 1 1/2 | #8 x 1 1/2 flat torx-pin security s m s stainless | 54 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 flat spanner machine screws stainless | 360 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2 1/2 flat spanner machine screws stainless | 54 |
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| Lubker Di | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 flat shcs pin in head 18.8 s/s | 600 |
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| TSF | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | flat torx security screw (t25) w/pin stainless steel 10-32 x 1/2 | 200 |
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| TSF | TX | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | security screw flat hd snake eye spanner 18-8 ss 10-32 x 1/2 | 150 |
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| ACF | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/4 | 6-32x3/4 s/s drilled spanner flat m/s | 2000 |
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| ACF | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/2 | 6-32x1/2 s/s torx flat pin in head tamperproof m/s tplf-06c08-s-0 | 40 |
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| BoltCraft | NE | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | 10 x 3/4 flat head torx pin self-drilling screw gr 304 stainless steel | inquire |
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| BoltCraft | NE | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 400 Stainless (405, 410,416,420,430 etc.) | Plain | #14 x 2 | #14 x 2 6-lobe pin in flat head self drilling screw gr 410 stainless steel | inquire |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 1 | 10-24 x 1 flat torx tamperproof 10C100TFRY | 70 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 7/16 | flat spanner s/s | 775 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 1/2 | 10-24 x 1/2 flat torx tamperproof s/s 10C50TFRS | - |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 x 1/2 | 12-24 x 1/2 flat torx tamperproof s/s 12C50TFRS/UC | 37 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20 x 1 flat torx tamperproof s/s 25C100TFRS | 33 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2 1/2 flat socket tamperproof s/s 25C250TFSS | 5 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 flat torx tamperproof 25C50TFR0Z/UC | 764 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 flat torx tamperproof s/s 25C75TFRS | 84 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 flat socket tamperproof s/s 31C100TFSS | 170 |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 flat socket tamperproof s/s 31C250TFSS | - |
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| SRF | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #6-32 x 1 | 6-32 x 1 flat socket tamperproof 6C100TFSY | - |
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| American | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 | flat security top t-45 pin in torx 18-8 304 | 80 |
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| OBRIEN | OH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 1/4-20x5/8 flat tamperproof torx and patch | 19500,000 |
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| OBRIEN | OH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20x1 flat skt cap tamperproof 18-8 304 | 200 |
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| OBRIEN | OH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20x1 3/4 phillips flat tamperproof m/s 18-8 304 | 32 |
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