5/16 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.
43 results, (click on any line for more information)
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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 5/16 | oval tri wing 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 | #10-32 x 5/16 | hex pin bh | inquire |
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UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-32 x 5/16 | truss phill sz | 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 5/16 | torx-pin button ss | inquire |
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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 | #8-32 x 5/16 | 8-32x5/16 pin torx butt hd screw ss(t-15) (SECURITY SCREW T -15 DRIVE) (SECURITY SCREW T -15 DRIVE) | 3525 |
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Olander | CA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 632 x 5/16 but soc tamperproof alloy | 80 |
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Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Yellow | 5/16-18 x 5/16 | cup point hex socket set tamper proof (pin) & yellow | 5000 |
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Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 1/4-28 x 5/16 | pin tamper proof hex socket set | inquire |
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Set Screw | IL | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | 5/16-18 x 5/16 | cup point hex socket set with tamper proof pin | 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 | 8-32x5/16 pin torx butt hd screw ss(t-15) security screw t-15 drive | 3525 |
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Century | NY | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Class 4.8 | Black Oxide | mhw063-1020ab rev 2 socket head cap screw 2-56 x 5/16 18-8 with nylok passivated per qq-p-35 type vi black oxide per mil-dtl-13924d class 4 spin off excess oil l3 technologies mhw063-1020ab | 4600 |
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MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-32 x 5/16 | one-way oval m/s | 41 |
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MidStates | MI | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 5/16 | one-way oval m/s | 33 |
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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 5/16 | spanner flat m/s 18-8 | 51 |
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Parker | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 5/16 | 4-40x5/16 socket cap screw-asme b18.3 .312 thread 18-8 s/s 302hq passivate lock-out w/pins made in u.s.a. | 28000 |
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Parker | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 x 5/16 | 4-40x5/16 socket cap screw-asme b18.3 .312 thread 18-8 s/s 302hq passivate lock-out w/pins made in u.s.a. | 28000 |
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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 5/16 | 2/32x5/16 bh penta plus b ss | 4,146 |
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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 | #4-40 x 5/16 | 4/40x5/16 bh penta-plus m/s ss | 80 |
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Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #10-24 x 5/16 | 10-24 x 5/16 fh penta-plus m/s | 827 |
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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 | #6-32 x 5/16 | 6-32x5/16 os bh key-rex m/s ss | 0.99 |
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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 | #6-32 x 5/16 | 6-32x5/16 os bh key-rex m/s ss | 200 |
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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 | #6-32 x 5/16 | 6-32x5/16 os bh key-rex m/s ss | 500 |
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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 | 1/4-20 x 5/16 | 1/4-20x5/16 ph drill span ss | 4,060 |
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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 | #6-32 x 5/16 | 6-32x5/16 os bh key-rex m/s ss | 112 |
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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 | #6-32 x 5/16 | 6/32x5/16 bh key-rex m/s ss bl | 1,900 |
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Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #8-32 x 5/16 | 8-32x5/16 bh key-rex m/s | 300 |
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Bryce Fastener | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Plain | #8-32 x 5/16 | 8-32x5/16 bh key-rex m/s{45jr4 | 02 |
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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 | #4-40 x 5/16 | 4/40x5/16 bh keyed-lok m/s 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 | #10-24 x 5/16 | 10-24x5/16 drl span rh m/s ss | 873 |
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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 | #8-32 x 5/16 | 8-32x5/16 fh key-rex m/s ss undercut{90mw4-10fe} | 0.04 |
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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 5/16 | 2/32x5/16 bh penta plus b ss | 4,146 |
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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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UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 5/16 | oval tri wing 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 | #10-32 x 5/16 | hex pin bh | inquire |
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UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #10-32 x 5/16 | truss phill sz | 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 5/16 | 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 | #14-20 x 5/16 | hex 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 | 1/4-20 x 5/16 | hex 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 | 2 x 5/16 | torx-pin flat ss plas | 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 | #4-40 x 5/16 | flat sp capt 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 | #4-40 x 5/16 | 6 spline ss | inquire |
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UltraFast | WA | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | 5/16 x 5/16 | hex-pin setsc | 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 | 5/16-24 x 5/16 | set 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 | 5/16-24 x 5/16 | hex-pin set 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 | #6-32 x 5/16 | hex 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 | #6-32 x 5/16 | hex pin flat | inquire |
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SIS | AZ | Tamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.) | Steel | Zinc/Clear | #4-40 x 5/16 | 4-40x5/16 oval countersunk m/s with tamper resistant notches steel zinc | 5500 |
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