7 for torsional strength & drill speed

7/16-20 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

7/8-9 x 3 1/2 Hex Cap Screw SS 316 (A4)

5/8-11 x 4 Hex Cap Screw SS 18-8 (A2)

1 1/4-7 x 4 1/2 A307A Hex Bolt Hot Dipped Galvanized

0.22 x 6 3/4 Simpson Strong-Drive® SDW EWP-PLY Screw Black E-coat™ - Carton (500) 1 1/2-6 Socket Set Screws Cup Point Alloy 7 for torsional strength &0. 22 x 6 3 4 Simpson Strong Drive SDW EWP PLY Screw Black E coat Carton (500) . The Strong Drive SDW EWP Ply screw is a high strength structural wood screw specifically designed for fastening multi ply wood members, such as engineered wood products and solid sawn lumber. The SDW EWP Ply installs easily with no pre drilling and is available in optimized lengths for fastening 1 3? 4" engineered lumber, such as structural composite lumber (SCL). The