9/16-12 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (100)

Flat countersunk head with self-countersinking nibs

#10 x 6 High Speed Aircraft Bit Cobalt

9/16-12 x 6 1/2 Socket Cap Screw Alloy

1 1/4-12 x 12 Socket Cap Screw Alloy

9/16-18 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Square Trim-Head Wood Decking Screws 316 Stainless Steel 9/16-12 x 5 Grade 89 16 18 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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