3/8-24 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (800)

1-8 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

#36 Heavy Duty Jobber Drill Bit

10 ga) for #8 and up to

Less breakage

3/8-24 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (800) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated 3/8-24 x 1 1/4 Grade3 8 24 x 1 1 4 Grade 5 Hex Cap Screw Plain Domestic USA (800). 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 of