Self-Drilling Screw, #14, 3 in, Square Drive

QuikDrive TB1475S #14 x 3in Wood-to-Steel/Alum. Screw 750ctThe TB Wood-to-Steel screw is designed to work with the Simpson Strong-Tie1/4 Quik Drive1/4 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.Key FeaturesFlat head with nibs for easy countersinking#3 square drive driver bit in each box; replacement bit model BIT3S; use BIT3SU for Mechanically Galvanized, N20001/4#4 drill point with wingsStraight collationApplicationsWood to hot-rolled steel maximum recommended thickness: 5/16in WarningIndustry studies show that hardened fasteners can experience performance problems in wet or corrosive environments. Accordingly, use this product in dry, interior, and noncorrosive environments only. Specifications: Coating/MaterialYellow-Zinc CoatedScrew Size#14Length in.3Drive Type#3 SquareHead TypeFlat HeadThread TypeTapping ThreadsTPI14Max. Grip Length in.2.236Point TypeDrill Point with WingsPoint Size4Compatible ToolsQuik Drive1/4 PROHSD75Packaging Qty.750