snippet: <b>1/4-28 x 1/2" Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - Pkg of 100</b><br><br>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. Torx&#174; Pin-Head offers a high degree of security & requires matching driver bit.<br><br>

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