Simpson 4" x 20d Smooth Shank Common Nail, 304 Stainless Steel, 6 Ga. English Wheels Strap Dimensions (H x L):

Strap Dimensions (H x L): 12 in

5 should be installed with 1/4" x 2-1/2" Strong-Drive SDS Heavy-Duty Connector screws

What is ZMAX galvanization and why does it matter for this post base

The flat head with underhead nibs eliminates extra prep steps - the head countersinks cleanly on its own

Profile Number 011

Simpson 4" x 20d Smooth Shank Common Nail, 304 Stainless Steel, 6 Ga. English Wheels Strap Dimensions (H x L):Simpson 4 inch 20d Smooth Shank Common Nail in 304 Stainless Steel is a heavy duty fastener built for decking, framing, and general wood construction where long term corrosion resistance matters. Crafted from Type 304 stainless steel in a 6 gauge profile, this full round head nail with a diamond point and smooth shank drives cleanly into a wide range of lumber types delivering reliable holding power in outdoor structures, wood foundations, and exposed