Simpson #6 x 1 1/4" Collated DWC Drywall Screw, Gray Phosphate Coating, Bugle Head 2500PkModel No. DWC114PS Coating Material. Gray Phosphate Coating Screw size. #6 Drive Type. #2 Phillips Length (in.) 1 1 4 Thread Type. Coarse Threads Head Type. Bugle Head Point Type. Sharp Point Packaging Qty. 2500 Compatible Tools. Quik Drive PRO200G2 The Simpson DWC Drywall Collated Screw is designed for attaching drywall to wood. Key Features Bugle head #2 Phillips (driver bit in each box; replacement bit model BIT2P) Coarse threads Sharp point Curved