1-8 x 5 1/2 A307A Hex Bolt Zinc Plated

The interlock between the tabs of the take-up washer and the threads under the head of the SDWF prevent the screw from sliding back under load

3/4-16 x 3 1/4 Socket Cap Screw Alloy

3/8-16 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

1/2-20 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (125)

0.22 x 4 3/8 Simpson Strong-Drive® SDW TRUSS DESERT-PLY Screw Black E-coat™ - Box (200) 7/8-9 A307A Hex Bolts Zinc Plated 1-8 x 5 1/2 A307A0. 22 x 4 3 8 Simpson Strong Drive SDW TRUSS DESERT PLY Screw Black E coat Box (200) . The Strong Drive SDW Truss Ply screw is a high strength structural wood screw specifically designed for fastening multi ply wood members, such as joining plated trusses and solid sawn lumber. The SDW installs easily with no pre drilling and is available in optimized lengths for fastening 2 , 3 and 4 ply trusses. With the SDW Truss Ply screw, multi ply trusses and