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5/16 Security Screws, Steel (one-way)

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.

17 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 
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MidStatesMITamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelZinc/Clear5/16-18 x 1 1/2one-way truss m/s znc4
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LippinCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 25/16 x 2 one-way security screw black oxide500
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AbabaCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 35/16 x 3 one-way truss lag stl pln400
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AbabaCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 35/16 x 3 one-way truss lag stl pln100
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RCFastAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 3truss one-way tmprprf lag bolt stl black ox4800
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LippinCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 35/16 x 3 one-way security screw black oxide300
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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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AbabaCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 45/16 x 4 one-way truss lag stl pln262
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AbabaCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 45/16 x 4 one-way truss lag stl pln25
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RCFastAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 4truss one-way tmprprf lag bolt stl black ox2000
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LippinCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 45/16 x 4 one-way security screw black oxide300
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JacksonMSTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelZinc/Black5/16 x 4truss (#16) one-way slotted burglar bartamper resistant tapping black1413
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ZAL INDUSCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelZinc/Clear5/16 x 45/16 x 4 one-way lag screw almond head pltd1,000
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AbabaCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelPlain5/16 x 55/16 x 5 one-way truss lag stl pln100
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RCFastAZTamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 5truss one-way tmprprf lag bolt stl black ox400
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LippinCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelBlack Oxide5/16 x 55/16 x 5 one-way security screw black oxide444
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ZAL INDUSCATamper-Proof Security Screw (Ultra-Lok, Penta-Plus, etc.)SteelZinc/Clear5/16 x 65/16 x 6 one-way lag screw pltd500
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