Brighton Best manufactures L9® nuts from AISI alloy steels

1-8 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/2-13 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

#45 Heavy Duty Jobber Drill Bit

1/2 x 21 ITM SDS Max Hammer Drill Bit

5/16-18 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) SDS Plus Hammer Drill Bits Brighton Best manufactures L9® nuts5 16 18 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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