1/4-28 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (3000)

#51 Heavy Duty Drill Bit - Stubby Length

9/16-18 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200)

3/8 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

5/16-18 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1650) M20-2.5 Hex Cap Screws 8.8 DIN 931 Zinc Plated 1/4-28 x 5/8 Grade 55 16 18 x 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1650) . 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