4PK Simpson Strong-Tie Strong-Drive SDWH Timber-Hex 0.195 In. x 4 In. 5/16 Hex DB Coating Screw

Simpson Strong-Drive structural wood screws. High-strength alternative to through-bolting and traditional lag screws. Bold thread design provides superior holding power. Patented 4CUT tip to ensure fast start and reduced installation torque eliminating pre-drilling in most applications. Large head provides maximum bearing area. Double-barrier coating makes screw suitable for exterior and preservative-treated wood applications. Bit included in package. Screw diameter: 0.195 with large hex head drive.; SawTooth point ensures fast starts reduces installation torque and eliminates the need for predrillingBold thread design provides superior holding powerUnderhead nibs offer greater controlStructural wood-to-wood and engineered wood connections;