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1/2 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 | #12 x 1/2 | hex-pin button 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 | torx-pin button 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 | hex-pin button | inquire |
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| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10 x 1/2 | 10x1/2 6-lobe tek flat zp | inquire |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-24 x 1/2 | 10-24 x 1/2 one-way oval m/s stl znc | 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.) | Black Oxide | #10-32 x 1/2 | 10-32 x 1/2 tmprprf btn soc s/s blk ox | 1168 |
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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 1/2 | 1/4-20 x 1/2 tmprprf btn soc s/s | 348 |
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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 1/2 | 1/4-20 x 1/2 tmprprf torx btn soc s/s | 8 |
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| Ababa | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4 x 1/2 | #4 x 1/2 one-way rnd sms hrd stl znc b18.6.4 | 751 |
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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 btn sms s/s | 80 |
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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 | #8-32 x 1/2 | 8-32 x 1/2 tmprprf torx btn soc s/s | 69 |
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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 | #6-32 x 1/2 | 6-32 x 1/2 tmprprf btn soc s/s | 17 |
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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 tamperproof torx flat socket stainless steel | 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 | #6-20 x 1/2 | #6-20 x 1/2 6-lobe flat head self tapping screw ab stainless steel | 964 |
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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 | 10-24 x 1/2 button hd socket tamper pruf 18-8 ss | 1058 |
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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 1/2 | round one-way tapping type-a 18-8 304 | 113 |
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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 1/2 | round one-way tapping type-a 18-8 304 | 68 |
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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 1/2 | round one-way tapping type-a 18-8 304 | 81 |
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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Aluminum | Plain | #10 x 1/2 | hex slotted tapping | 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 x 1/2 | truss spanner tapping ss | 68 |
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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 1/2 machine screw 6-lobe with pin t-10 drive size button head tamper resistant stainless | 400 |
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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 1/2 machine screw 6-lobe with pin button head tamper resistant stainless | 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 | 10-32 x 1/2 button head torx w/ pin machine screw tamper resistant stainless steel t-25 drive | 174 |
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| Weaver | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 1/2 | 10-24x1/2 button socket tamper pruf plain | 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 | #12-24 x 1/2 | undercut flat torx with pin tamper resistant 18-8 304 (t-20 drive) | 70 |
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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 | #10-32 x 1/2 | 10-32 x 1/2 truss head snake eye m/s stain steel | 50 |
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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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| Hayes | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #2 x 1/2 | #2x1/2 6-lobe pan self tapping thread rolling screw zinc | 925 |
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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 1/2 | 8-32 x 1/2 tmprprf torx btn soc s/s | 60 |
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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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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 1/2 | button tamper proof (pin) socket cap | inquire |
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| Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-24 x 1/2 | 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 | #10-24 x 1/2 | torx w/pin flat 18-8 304 (uses t-20 driver) | 5200 |
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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.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 pan spanner stainless steel | 575 |
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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 1/2 | 8-32x1/2 button socket cap tamperproof pin 18-8 304 | 2160 |
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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 1/2 | screw btn. hd. tamper proof torx 6-32x1/2 18-8 304 | 350 |
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| RePneu To | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 pan head spanner security screw | 600 |
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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 button head security screw 18-8 s/s steel | 130 |
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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 | #8-32 x 1/2 | #8-32x1/2 button head socket security pin cap screw 18-8 s/s steel | 1000 |
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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 1/2 | #8x1/2 bh hex-pin sms ss | 75 |
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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 1/2 | #6x1/2 hex-pin fh sms ss | 207 |
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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 1/2 | #8x1/2 drl span fh sms ss | 0.053 |
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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 1/2 | #12x1/2 drl span ph sms ss | 0.097 |
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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 1/2 | #8x1/2 drl span oh sms ss | 0.041 |
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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 1/2 | #14x1/2 drl span ph sms ss | 0.17 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 1/2 | 4x1/2 bh penta-plus tri-ab | 3,790 |
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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 1/2 | 4x1/2 bh penta-plus sms ss | 5,273 |
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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 | 2/32 x 1/2 | 2/32x1/2 bh penta-plus sms ss | 6,263 |
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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 1/2 | 4x1/2 bh penta-plus tri-pl ss | 900 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 1/2 | 4x1/2 bh penta-plus tri ab | 1,275 |
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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 1/2 | 6x1/2 bh penta-plus sms ss | 614 |
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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 1/2 | #8x1/2 bh penta-plus sms ss | 2,346 |
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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 1/2 | #10x1/2 bh penta-plus ss | 1,150 |
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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 1/2 | #12x1/2 bh penta-plus sms ss | 907 |
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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 1/2 | #4 x 1/2 fh penta-plus sms b ss | 3,310 |
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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 1/2 | #4 x 1/2 fh penta-plus sms ss | 485 |
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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 1/2 | #6 x 1/2 fh penta-plus sms ss | 2,143 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 1/2 | #4 x 1/2 oval hd penta-plus | 750 |
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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 1/2 | #10x1/2 bh key-rex sms ss{new} | 511 |
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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 | #10-24 x 1/2 | 10/24 x 1/2 button hex pin security socket cap screws stainless | 18 |
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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 | 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 | #6 x 1/2 | #6 x 1/2 button torx-pin security s m s 18-8 stainless | 216 |
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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 1/2 | #8 x 1/2 button torx-pin security s m s 18-8 stainless | 45 |
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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 1/2 | #10 x 1/2 button torx-pin security s m s 18-8 stainless | 50 |
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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 1/2 | #6 x 1/2 truss hd spanner security s m s 18-8 | 9 |
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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 spanner pan security screws stainless | 40 |
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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 1/2 | button head torx security screw stainless 1/4-20 x 1/2 | 2685 |
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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.) | Steel | Zinc/Clear | #8 x 1/2 | security button 6-lobe (t15) with pin sms t/a zinc #8 x 1/2 | 1499 |
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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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| Jackson | MS | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | button torx w/ pin tamper resistant 18-8 304 t-25 drive | 194 |
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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 1/2 | cap screw button torx tamper proof 1/4-20x1/2 stainless steel 18-8 | 265 |
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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 | #10-24 x 1/2 | cap screw button socket hex tamper proof 10-24x1/2 stainless steel 18-8 | 3000 |
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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 1/2 | cap screw button socket hex tamper proof 1/4-20x1/2 stainless steel 18-8 | 1575 |
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| JET FITTING | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 5/16-18 x 1/2 | cap screw button socket hex tamper proof 5/16-18x1/2 alloy steel zinc plated | 1200 |
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