#54 Heavy Duty Jobber Drill Bit

5/16-24 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

7/16-14 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

frictional fit restricting movement of the screw when it is subjected to vibration

5/8-18 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) 7/16-14 Hex Tap Bolts 18-8 Stainless Steel #54 Heavy Duty Jobber Drill5 8 18 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) . 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