Drive pins with an 8mm diameter head are designed for permanently fastening a fixture to concrete, concrete over steel deck, and A36 or A572 / A992 structural steel. The fasteners are manufactured with a 0.145" diameter shank in various lengths. Knurled shank designs are available for installations in thick steel base materials. For single fasteners, a plastic washer is mounted on the pin shank to retain the drive pin in the barrel of the tool and provide centered guidance during the driving operation.
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