Simpson 4-1/2 in. 30d Annular Ring Shank Common Nail Type 316 Stainless 6 Ga 0.203 in. Shank 25 lb. Roofing Nail - Annular Ring Shank screws must be installed with

screws must be installed with 3 (minimum) exposed threads

WSC - Wood Screws

Holds tighter than smooth-shank nails - the annular ring shank mechanically locks into wood fibers

What makes this an "end" column cap rather than a standard column cap

Protects the wood during installation - the blunt diamond point reduces board splitting as the nail is driven

Simpson 4-1/2 in. 30d Annular Ring Shank Common Nail Type 316 Stainless 6 Ga 0.203 in. Shank 25 lb. Roofing Nail - Annular Ring Shank screws must be installed withSimpson T30ACNB Common Nail, Annular Ring Shank 4 1 2 in. x . 203 in. Type 316 Stainless Steel (25 lb.) is a heavy duty fastener from Simpson Strong Tie engineered for demanding exterior and permanent wood foundation applications. Built with a 30d annular ring shank profile and forged from Type 316 stainless steel, this common nail delivers severe level corrosion resistance alongside exceptional withdrawal resistance making it a trusted choice for