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3 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.

53 results, (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
SupplierLocTypeMaterialFinishSizeDescriptionQty 
UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3 1/2phill-pin pan ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13x3-1/2 slot-lok blt ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/2hex-pin button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/2socket capinquire
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Fastener OHTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/2button socket head cap screw hex pin-in 3/8-16x3-1/2 18.8ss 70
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ExpressCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelZinc/Clear5/16-18 x 3 1/25/16-18x3-1/2 tamperproof one-way round head machine screw zinc38330
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-7 x 3 1/23/8-7x3-1/2 bh penta plus lag screw136
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/25/8-11x3 1/2 bh hex pin m/s ss5
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16x3-1/2 bh penta-plus ss1,069
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13x 3-1/2 bh penta-plus ss p509
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16x3-1/2 bh key-rex m/s ss{x37-2a}0.127
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16x3-1/2 rh raptor key-rex m/s ss{x37-2a}07
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13x3-1/2 th key-rex m/s ss99
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18x3 1/2 bh tam-6lobe m/s ss95
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-16 x 3 1/23/8-16x3-1/2 bh keyed-lok m/s190
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-16 x 3 1/23/8-16x3-1/2 bh keyed-lok m/s229
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-16 x 3 1/23/8-16x3-1/2 bh keyed-lok m/s325
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-16 x 3 1/23/8-16x3-1/2 bh keyed-lok m/s1,220
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain3/8-16 x 3 1/23/8-16x3-1/2 bh keyed-lok m/s165
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 3 1/25/16 x 3 1/2 bh key rex acme800
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 3 1/25/16 x 3 1/2 bh key rex acme45
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Bryce FastenerAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 3 1/25/16 x 3 1/2 bh key rex acme thread 10 tpi alloy{x31-3as}0.36
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3 1/2phill-pin pan ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13x3-1/2 slot-lok blt ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/2hex-pin button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/2socket capinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/2penta bolt ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/2phil pin button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 3 1/2robby flat ws ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 3 1/2ultra 6-lobe button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/2hex-pin bttn ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 1/2torx-pin flat ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/2hex-pin button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/2hex-pin fl 316inquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/2hex cap ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/23/8-16x3-1/2 ultr-lok button ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/2penta bolt ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 3 1/2ncep capinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 3 1/2phill pin toggleinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 3 1/2torx-pin button ancszinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/2carriage blt ssinquire
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UltraFastWATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPhosphate5/8 x 3 1/2hex flange blkphosinquire
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