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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. Pan Head screws are low profile with a large diameter and high-edged crown for increased strength.

4-40 x 3/8&quot; Security Machine Screw - Pan Spanner Head - 18-8 Stainless Steel - FT - UNC - 100 Pk

4-40-x-3-8-security-machine-screw-pan-spanner-head-18-8-stainless-steel-ft-unc-100-pk

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