Stainless Steel Finish Nails | Manasquan Fasteners- 6d galvanized finishing nails ,25+ $12.35/lb. Quantity: ×. 3-1/2" x 11ga Finishing Nail 316SS. Close. Additional Information. Q &A. AISI Grade 316 Stainless Steel has lower carbon content than 305 or 302HQ and contains molybdenum for superior corrosion resistance in salt water and other highly corrosive environments. It is the grade of stainless steel to be specified in any ...What size is a 6d finish nail? - AskingLot27/1/2020· Finishing nails vary in length from 1 inch to 4 inches (2.5 centimeter to 10 centimeters). The size of finish nails is also measured by "penny" units. The letter "d" is used to determine length. In this method, a 2d finishing nail is 1 inch (2.5 centimeters) long, and a 6d nail is 2 inches (5 centimeters) long. Click to see full answer.