Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber screw is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2018 and 2021 IRC and IBC code requirements for several common wood framing and engineered-wood applications.
Fast installation - no predrilling, no counterboring, no heavy-duty equipment needed
Greater withdrawal resistance vs spikes
SawTooth point for fast starts and less driving torque without predrilling
Heavy-duty 0.275-in diameter shank provides strength and durability
Large 0.650-in diameter, flat washer head with nibs provides load-bearing area and seats flush with surface
Deep T50, 6-lobe recess for fewer cam-outs
Mid-shaft knurl aids in torque reduction
Length: 5-in
Type 316 stainless steel provides corrosion resistance even in severe conditions