3-1/2" - 8 Gauge Smooth Shank Common Nail - 316 Stainless Steel, Pkg 220 Quik Drive Cement Board Screws Screw shank increases withdrawl resistance

Screw shank increases withdrawl resistance to provide a secure attachment

and follow Simpson Strong-Tie installation guidelines and local building code requirements

the THAL422 has a standard skew of 45°

The Strong-Tie HDU4-SDS2

Maximum 11 7/8" bottom chord in the carrying member to allow for the minimum bolt end distance

3-1/2" - 8 Gauge Smooth Shank Common Nail - 316 Stainless Steel, Pkg 220 Quik Drive Cement Board Screws Screw shank increases withdrawl resistanceSimpson Smooth Shank Common Nail is available in type 316 stainless steel as well 304 stainless steel. 316 Stainless Steel is recommended for seaside applications and for superior corrosion resistance. Stainless Steel nails are recommended for construction of permanent wood foundations by the ANSI AF&PA Permanent Wood Foundations Design Specifications.