1/4-28 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

The self-undercutting

5/8-18 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1/2-13 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

1/4-28 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (6000) A563 Grade A Heavy Hex Nuts Hot Dipped Galvanized 1/4-28 x 3 1/2 Grade1 4 28 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (6000). L9 High Tensile Strength Hex Collared Locknuts are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 nuts from AISI alloy