Simpson 6d Decking Nail 2 in x .120 in Ring Shank Type 316 Stainless Preservative-Treated Wood 25 lb Hand-Drive Screws and they are specifically recommended

and they are specifically recommended by the ANSI/AF&PA Permanent Wood Foundations Design Specifications for use in permanent wood foundation construction

diameter machine bolts (sold separately)

angle and is capable of accommodating joists skewed between 40 deg

Plywood and OSB

MPN: JT9-579064

Simpson 6d Decking Nail 2 in x .120 in Ring Shank Type 316 Stainless Preservative-Treated Wood 25 lb Hand-Drive Screws and they are specifically recommendedSimpson T6PTDB Preservative Treated Wood Decking Nail, Ring Shank 2 in. x . 120 in. Type 316 (25 lb.) from Simpson Strong Tie is an exterior fastener engineered for deck and dock projects where long lasting, corrosion resistant performance is essential. Crafted from Type 316 stainless steel for severe level corrosion resistance, this 6d nail features an annular ring shank that dramatically increases withdrawal resistance, helping keep nail heads flush