Simpson Strong-Tie fixed depth drill bit to be used with DIAB37 and DIABL37
Type 17 fast-start tip with high-low threads - quick starts and smooth driving into dimensional lumber
Tighten the nut to the recommended torque to ensure proper expansion and load transfer
finished look that holds up beautifully
Residential wall anchorage requiring uplift resistance
#12 x 2-3/8" Quik Drive TB Self-Drilling Wood-To-Steel Collated Screws, Black Phosphate, Pkg 1000 GT Gazebo Ties Simpson Strong-Tie fixed depth drillThe Strong Drive TB is built for one job: fastening wood to steel without babysitting the connection. The self drilling, wing tip point bores through hot rolled steel up to 1 4" thick and breaks off clean on contact, so there's no pre drilling, no split lumber, and no guessing whether the screw will bite. The flat head with under head nibs countersinks cleanly into wood nailers, sleepers, and subflooring, and the collated strip format runs straight