5/8-18 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80) Long Arm Hex Keys Alloy 3/4-10 x 1 1/2 Grade

3/4-10 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (125)

#37 Heavy Duty Jobber Drill Bit

Chemical Composition:

9/16-12 x 1 1/4 Socket Cap Screw Alloy

3/4-10 x 6 Grade 5 Hex Tap Bolt Zinc Plated

5/8-18 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80) Long Arm Hex Keys Alloy 3/4-10 x 1 1/2 Grade5 8 18 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum