Simpson #10 x 1-1/2" 410SS Collated FHSD Wood-to-CFS Screw Flat Head 1000-PkModel No. SSFHSD112S1016 Coating Material. Type 410 Stainless Steel Screw Size. #10 Length (in.) 1 1 2 Head Diameter (in.) 0. 382 Drive Type. #2 Square Head Type. Flat Head TPI. 16 Max. Grip Length (in.) 1. 077 Point Type. Drill Point Point Size. 3 Compatible Tools. Quik Drive PROPP150G2 Packaging Qty. 1000 Use this screw for wood or wood structural panel sheathing to cold formed steel (recommended max. steel thickness: 3 16"). Key Features Flat head