Simpson Strong-Tie SDWH271200GR30 Hdg Timber Hex Structural Screw, 12", Box of 30 Jugs Matrix II type alloy high

Matrix II type alloy high speed steel with 8% Cobalt cutting edge

For gas & air

Use with polyester resins

cushion grip handle

remove putty

Simpson Strong-Tie SDWH271200GR30 Hdg Timber Hex Structural Screw, 12", Box of 30 Jugs Matrix II type alloy highHighlights: Size: 12" Box of 30 Great for all types of coastal projects Burly 0. 276 in. shank diameter for heavy duty structural applications SawTooth point design for fast starts and no pre drilling 3 8 in. hex drive for secure driving Oversized 0. 930 in. diameter integral washer eliminates the need for a separate washer For best results, use a minimum of 1 2 in. low speed corded drill to install ASTM A153 class C hot dip galvanized coating