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4 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.
85 results, (click on any line for more information)
| Search Results Sponsored by Bryce Security Fastener, your source for Tamper-Proof Screws. For more results, visit brycefastener.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 1/4 | #4x1/4 bh hex-pin sms ss hi-lo | 0.16 |
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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 | #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.) | Plain | #4 x 3/16 | #4x3/16 bh key-rex sms ss{105l | 0.7 |
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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 3/16 | #4x3/16 bh key-rex sms ss{105l | 0.7 |
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| Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 4-40 x 3/16 socket w/pin flat head alloy | 1000 |
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| Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 4-40x3/16 uc 82deg flt hd spanner 4-40x3/16 flat head 82 degree undercut head spanner drive 18-8 black ox | 50 |
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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 1/4 | #4x1/4 bh hex-pin sms ss hi-lo | 0.16 |
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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 1/4 | #4x1/4 bh hex-pin sms ss hi-lo | 0.16 |
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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 | #4 x 1/4 | spanner 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 | #4 x 1/4 | 4x1/4 pan avsafe | inquire |
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| Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/4 spanner flat hd m/s 18-8 | 260 |
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| Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 4-40 x 1/4 pin socket button alloy plain w/patch | 3000 |
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| Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | tamperproof # 1.44014fs 4-40 x 1/4 flt head machine screw spanner drive 18-8 | 6 |
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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 5/16 | #4x5/16 bh penta-plus sms b ss | 23 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 3/8 | #4x3/8 bh penta-plus tri-plast | 13,399 |
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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 3/8 | #4x3/8 bh stykfit 7 sms ss y04 | 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 | #4 x 3/8 | #4x3/8 fh stykfit 7 sms ss y04 | 1,300 |
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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 3/8 | #4x3/8 bh stykfit 7 sms ss y04 | 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 | #4 x 3/8 | #4x3/8 fh stykfit 7 sms ss y04 | 1,300 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 3/8 | #4x3/8 bh penta-plus tri-plast | 13,399 |
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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 | #4 x 3/8 | torx-pin flat ss bkox | inquire |
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| UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4 x 3/8 | 4x3/8 phill pan thread rolling screw for plastic | 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 | #4 x 3/8 | flat spanner 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 | #4 x 3/8 | torx-pin button ss bkox | 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 | #4 x 3/8 | torx-plus pastite n/p | 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 | #4 x 3/8 | torx-pin flat ss bo tb | 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 | #4 x 3/8 | torx-pin button ss bo tb | 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 | #4 x 3/8 | 4x3/8 pan avsafe | inquire |
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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 | 4-40x3/8 18-8 stainless steel one-way round head machine screw | 700 |
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| Liberty | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 4-40 x 3/8 6-lobe button head cap screw t-10 drive with pin 18-8 stainless steel passivated .216 (.213-.220) head od .063 (.059-.070) head height | 100,000 |
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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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| 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 | #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 | #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.) | 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 | #4 x 1/2 | #4x1/2 bh stykfit 7 sms ss y04 | 1,300 |
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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 fh stykfit 7 sms ss y04 | 1,175 |
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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 | #4 x 1/2 | #4x1/2 bh stykfit 7 sms ss y04 | 1,300 |
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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 fh stykfit 7 sms ss y04 | 1,175 |
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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.) | 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.) | 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.) | 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 | #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 | #4 x 1/2 | #4 x 1/2 fh penta-plus sms b ss | 3,310 |
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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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| Komar | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4 x 1/2 | #4x1/2 torx(tamp.proof)pan 25 zinc trivalent | 64400 |
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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 | #4 x 1/2 | spanner pan 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 | #4 x 1/2 | socket flat ws ss | inquire |
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| Komar | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4 x 1/2 | #4x1/2 torx(tamp.proof)pan 25 zinc trivalent | 64400 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 5/8 | #4 x 5/8 oval hd penta-plus | 1,730 |
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| Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 x 5/8 | #4 x 5/8 oval hd penta-plus | 1,730 |
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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 | #4 x 5/8 | torx-pin flat ss | inquire |
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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.) | 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 | #4 x 3/4 | #4x3/4 bh tam-6lobe sms ss | 3.794 |
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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 stykfit 7 sms ss y04 | 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 | #4 x 3/4 | #4x3/4 fh stykfit 7 sms ss y04 | 1,250 |
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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 tam-6lobe sms ss | 3.794 |
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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 stykfit 7 sms ss y04 | 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 | #4 x 3/4 | #4x3/4 fh stykfit 7 sms ss y04 | 1,250 |
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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 | #4 x 3/4 | 4x3/4 bh penta-plus triplast ss type-b | 1,740 |
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| Cal Fastenrs | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 3/4 | one way round sheet metal type-a 18-8 304 one way round sm | 400 |
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| Liberty | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4 x 3/4 | torx pan high low self tapping # 3 # 3 | 208 |
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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 | #4 x 3/4 | spanner 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 | #4 x 3/4 | 4x3/4 avsafe pan | 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 | #4 x 3/4 | spanner pan 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 | #4 x 3/4 | 4x3/4 button ultra-lok p ss | inquire |
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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 | #4x1 bh stykfit 7 sms ss y04 | 1,025 |
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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 | #4x1 fh stykfit 7 sms ss y04 | 950 |
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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 | #4x1 bh stykfit 7 sms ss y04 | 1,025 |
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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 | #4x1 fh stykfit 7 sms ss y04 | 950 |
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| Cal Fastenrs | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 x 1 | spanner pan sheet metal type-ab 18-8 304 spanner drive | 50 |
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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 | #4 x 1 | phillips pan sms ab | inquire |
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| MMCC | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4 x 12 | 4x12torx w/pin button head scr iso 7380 a1 4x12torx w/pin iso | 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 | #4 | spanner driver | 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 | #4 | t-groove .250 socket | 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 | #4 | tri-wing .250b | 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 | 4 | 4 ultra-lok ty all metal tab | 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 | 4 | 4 pakaged pop box | inquire |
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| Century | FL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 4 | tamperproof screw 4.m625bs screw m6x25mm tamper resistant torx cres | 15 |
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| THRDFAST | AL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #4 | tamper proof insert bit snake eyes | 6 |
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