9/16-12 x 6 Hex Cap Screw SS 18-8 (A2)

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

5/8-18 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/2 x 6 High Speed Aircraft Bit

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

7/8-9 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) Jobber Drill Bits - Cobalt 9/16-12 x 6 Hex Cap7 8 9 x 3 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . 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