5/16-18 x 5/8 Grade 8 Hex Cap Screw Plain Domestic USA (1800)

8 DIN 933 Zinc Plated (Fully Threaded) - Class 8

High degree of corrosion resistance

#52 Heavy Duty Jobber Drill Bit

1 3/8-12 x 4 Socket Cap Screw Alloy

1/4-20 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (750) 5/8-11 Hex Tap Bolts Silicon Bronze 5/16-18 x 5/8 Grade 81 4 20 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (750). 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 diameters 1 4 to