1-8 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

L9® High Tensile Strength Hex Collared Locknuts are designed for use in high stress

21/64 Heavy Duty Drill Bit - Stubby Length

9/16-18 x 2 Socket Cap Screw Alloy

3/8-16 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/16-18 Grade 5 Hex Cap Screws Plain - Domestic USA 1-8 x 4 L9 Hex3 8 16 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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