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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.<br><br>Truss Head screws are low profile and offer added security against vice-grip removal. They typically have large diameter heads for increased fastening strength.<br><br>

5/16-18 x 2-1/2&quot; Security Machine Screw - Truss Spanner Head - 18-8 Stainless Steel - FT - 100 Pk

5-16-18-x-2-1-2-security-machine-screw-truss-spanner-head-18-8-stainless-steel-ft-100-pk

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