The TB Wood-to-Steel screw is designed to work with the Simpson Strong-Tie® Quik Drive® auto-feed screw driving system. This structural screw is used for fastening wood to hot-rolled steel and is great for installing wood truck beds. The TB Wood-to-Steel screw is also available in bulk for hand-drive fastening. Strong-Drive® TB WOOD-TO-STEEL Screw (Collated) — #12 x 2-3/8 in. Black Phos. (1000-Qty) (Pack of 100).