Simpson Strong-Tie SDWH19400SS-R20 Strong-Drive® SDWH™ TIMBER-HEX SS Screw — 0.185 in. x 4 in. 5/16 Hex, Type 316 (20-Qty)

Stainless-steel structural fasteners designed for lag-screw replacement. These hex-head fasteners require no predrilling, making them easier and faster to install than typical lag screws. They meet 2018 and 2021 IRC® and IBC® code requirements for several common wood-framing applications.