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3/4 inch length Security Screws
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.
8,636 Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.), 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 | #14 x 3/4 | 6-lobe pin bh | 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 | #14 x 3/4 | ultra 6-lobe pin bt 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 | 1/4-20 x 3/4 | hex cap 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 3/4 | hex-pin set ss fp | inquire |
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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 btn soc s/s | 144 |
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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 torx flt soc s/s | 65 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-24 x 3/4 | 10-24 x 3/4 one-way rnd m/s stl znc | 593 |
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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 3/4 | #10 x 3/4 torx tmprprf btn sms s/s | 54 |
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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 | 1/4-20 x 3/4 | 1/4-20 x 3/4 tmprprf btn soc s/s | 211 |
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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 | 1/4-20 x 3/4 | 1/4-20 x 3/4 tmprprf torx btn soc s/s | 239 |
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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 | 5/16-18 x 3/4 | 5/16-18 x 3/4 tmprprf btn soc s/s | 40 |
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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 | 3/8-16 x 3/4 | 3/8-16 x 3/4 tmprprf torx btn soc s/s | 95 |
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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 btn sms s/s | 67 |
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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 | 300 |
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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 | #10-16 x 3/4 | #10-16 x 3/4 torx pan self-drl tamper prf 400 s/s | 72 |
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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 3/4 | 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 | #6 x 3/4 | button 6-lobe w/pin burglar bar tamper resistant tapping 18-8 ss | 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 | #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 | #6 x 3/4 | pan tri wing tamper resistant tapping 18-8 ss | 250 |
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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 | #14 x 3/4 | round one-way tapping type-a 18-8 304 | 84 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Aluminum | Plain | #10 x 3/4 | hex slotted tapping | 70 |
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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 | truss spanner tapping ss | 32 |
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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 3/4 machine screw 6-lobe with pin button head tamper resistant stainless t-27 drive | 100 |
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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 | 1/4-20 x 3/4 | 1/4-20x3/4 torx button socket tamper pruf 18-8 ss | 636 |
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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 | #14 x 3/4 | #14x3/4 button socket sheet metal tamper pruf 18-8ss | 49 |
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| MAINSOURC | NH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 3/4 | tamperpruf button soc cap 10-32 x 3/4 torx ss | 564 |
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| YANKEE | NH | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 button torx pin-in security screw gr5 zinc plated | 19 |
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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 x 3/4 | #8 x 3/4 security pan head spanner sheet metal screw 18-8 stainless steel | 58 |
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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 3/4 | 10-32 x 3/4 tmprprf torx btn soc s/s | 21 |
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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 | #8-32 x 3/4 | 8-32 x 3/4 tmprprf torx flt 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 | #8 x 3/4 | #8 x 3/4 torx tmprprf btn 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 | #10-24 x 3/4 | 10-24 x 3/4 tmprprf flat soc s/s | 100 |
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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 3/4 | button tamper proof socket cap | inquire |
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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 5/16-18 x 3/4 | button tamper proof (pin) socket cap | inquire |
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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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| RCFast | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/4 | 10-24x3/4 button socket cap tamperproof pin 18-8 304 | 150 |
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| RCFast | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #10-32 x 3/4 | torx button cap tmprprf w/pin 18-8 304 black ox (t25) | 400 |
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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 | 1/4-20 x 3/4 | 1/4-20x3/4 button head torx w/security pin m/s 18-8 ss | 800 |
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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 button torx m/s w/pin 18-8 ss | 518 |
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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 button torx m/s w/pin 18-8 ss | 900 |
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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 button socket m/s tamper proof 18-8 | 787 |
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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 button socket m/s tamper proof 18-8 | 74 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 3/4 | 12x3/4 bh hex-pin sms ss | 64 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | #10x3/4 ph drl-span sms ss | 0.062 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 3/4 | #6x3/4 drl span ph sms ss | 0.019 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8x3/4 drl span fh sms ss | 0.2 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 3/4 | #12x3/4 drl span ph sms ss | 0.098 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 3/4 | #14x3/4 drl span fh sms ss | 0.098 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 3/4 | 4x3/4 bh penta-plus triplast ss type-b | 1,740 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #2 x 3/4 | #2x3/4 bh penta-plus type-b oring ss bo | 4,500 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 3/4 | 4x3/4 bh penta-plus type-b s | 644 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8x3/4 bh penta-plus sms ss | 829 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 3/4 | 6x3/4 bh penta-plus sms ss | 1,810 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | #10x3/4 bh penta-plus sms ss | 2,372 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 x 3/4 | #12x3/4 bh penta-plus sms ss | 714 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8x3/4 fh penta-plus sms ss-p25 drive | 1,326 |
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| Bryce Fastener | AZ | 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 fh penta-plus sms ss p08 | 815 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | #10x3/4 fh penta-plus sms ss | 348 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 3/4 | #14 x 3/4 fh penta-plus sms ss | 2,338 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 x 3/4 | #8x3/4 bh keyrex sms ss{0gp6 | 36 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | #10x3/4 fh key-rex sms ss un | 600 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #14 x 3/4 | 14x3/4 truss hd key-rex sms ss | 1,060 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-24 x 3/4 | 10/24 x 3/4 one-way round machine screws zinc | 376 |
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| B & K FAST | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20 x 3/4 one-way round machine screws zinc | 351 |
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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 | #8 x 3/4 | #8 x 3/4 button torx-pin security s m s 18-8 stainless | 16 |
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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 | #10 x 3/4 | #10 x 3/4 pan hd spanner security s m s 18-8 stainless | 32 |
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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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| Lubker Di | PA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 3/4 | #10x3/4 button torx 25 type-a sms 18.8 s/s with pin in head | 2000 |
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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 3/4 | 1/4-20x3/4 hex button socket c/s pin in head security screw 18.8 s/s | 1028 |
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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 | 1/4-20 x 3/4 | button head torx security screw stainless 1/4-20 x 3/4 | 922 |
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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 | #12 x 3/4 | button socket pin in security screw t/ab sms 18-8 ss #12 x 3/4 | 1970 |
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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 | #12 x 3/4 | button 6-lobe pin in security screw t/a sms 18-8 ss #12 x 3/4 | 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 | 1/4-20 x 3/4 | 6-lobe with pin button tamper resistant 18-8 304 t-27 drive | 100 |
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| JET FITTING | CA | 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 slotted one-way tamper proof machine screw stainless steel 18-8 | 1000 |
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