Use these #6 x 3/4" Phillips flat head wood screws with our dodger and bimini frames and their fittings. Also for attaching rigging hardware. Flat head screws provide a flush surface when used in a countersunk hole. Use where clearance is important. Length is measured from top of head. When installing into wood, use a 5/64" drill bit for hardwood and a 1/16" drill bit for softer wood. Compatible with screwdriver size #2.