FastCap Power Head Screws
FastCap #8 power head screws. The 9/16" head has cutting nibs which allows a perfectly flush application. Coarse thread screw.
Above the surface: Drill the PowerHead into position so that the entire head sits on the surface of your material.
Flush with the surface: In combination with an impact driver, the PowerHead screw has been engineered with nibs underneath the head of the PowerHead that cut through your material allowing your screw to be perfectly flush.