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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. Button Head screws are typically used for general purposes with a lower crown & shallower recess than round head screws.

5/16-18 x 3/4&quot; Security Machine Screw - Button Torx Head - Steel - Black Oxide - FT - UNC - 100 Pk

5-16-18-x-3-4-security-machine-screw-button-torx-head-302hq-stainless-steel-ft-unc-100-pk

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