When removed

50 x 150 Hex Cap Screw DIN 931 A2 (18-8) Stainless Steel - DIN 931 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

#28 x 6 High Speed Aircraft Bit Cobalt

7/16-20 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

7/8-9 x 4 1/4 Grade 5 Hex Cap Screw Zinc Plated

5/16-24 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 12" Aircraft Bits Cobalt - Fractional When removed5 16 24 x 2 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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