Simpson Strong-Tie Simpson Strong-Tie SDWH271200GR30 Hdg Timber Hex Structural Screw 12 Box of 30

Simpson Strong-Tie Simpson Strong-Tie SDWH271200GR30 Hdg Timber Hex Structural Screw 12 Box of 30 Highlights: Size: 12 ; Box of 30; Great for all types of coastal projects; Burly 0.276 in. shank diameter for heavy-duty structural applications; SawTooth point design for fast starts and no pre-drilling; 3/8 in. hex drive for secure driving; Oversized 0.930 in. diameter integral washer eliminates the need for a separate washer; For best results use a minimum of 1/2 in. low-speed corded drill to install; ASTM A153 class-C hot-dip galvanized coating suitable for coastal and marine environments; Premium ball-lock hex driver bit included;