9/16-18 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (225)

7/8-9 x 2 Socket Set Screw Cup Point Alloy

Coarse threads run approximately 2/3 up the shank to help draw the decking tightly to the substrate

3/4-10 x 1 1/2 Hex Cap Screw SS 316 (A4)

3/8-24 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400) 3/8-16 Grade 8 Hex Cap Screws Plain - Domestic USA 9/16-18 x 2 1/2 L93 8 24 x 2 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on