Simpson #10 x 1-3/4" Bugle-Head Wood Deck Screw, Square Drive, 305 Stainless Steel 3000PkModel No. S10175DBB Coating Material. Type 305 Stainless Steel Screw Size. #10 Length (in.) 1 3 4 Head Diameter (in.) 0. 34 Drive Type. #2 Square Head Type. Bugle Head Thread Type. Coarse Threads Point Type. Type 17 Point Approx. Count per Lb. 115 Use this screw for fastening all types of wood decking, including cedar, redwood and preservative treated woods. Bugle head provides for flush countersinking. Key Features Type 17 point for fast starts