Simpson 0.275 x 12" Strong-Drive SDWH TIMBER-HEX Stainless Steel Screw

Model No. SDWH271200SS Finish. Type 316 Stainless Steel Length. 12 Head Diameter (in.) 0.655 Shank Diameter (in.) 0.275 Drive Type. 1/2 in. Hex Head Type. Hex Washer Head Thread Type. Box Threads Thread Length (in.) 3 Point Type. Sharp PointThe Strong-Drive SDWH TIMBER-HEX SS screw is a stainless-steel structural fasteners designed for lag-screw replacement. These 0.185" and 0.275" diameter hex-head fasteners require no predrilling, making them easier and faster to install than typical lag screws. Key Features Type 316 stainless steel for maximum corrosion protection No predrilling necessary in most applications Driver bit included (replacement driver bit — BITHEXR516-R1 or BITHEXR12-R1) Can be used in ledger applications Unique “box” thread design with raised-ridge technology significantly reduces driving torque  Hex-washer head provides large bearing area Note: Product dimensions and/or thread length may differ from picture.