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Security fasteners provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Requires matching driver bit. Truss Head screws are low profile and offer added security against vice-grip removal. They typically have large diameter heads for increased fastening strength.

5/16-18 x 1&quot; Security Machine Screw - Truss Spanner Head - 18-8 Stainless Steel - FT - UNC - 100 Pk

5-16-18-x-1-security-machine-screw-truss-spanner-head-18-8-stainless-steel-ft-unc-100-pk

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