1-8 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

Typical hardness on diameters of 1/4 to 1 inch is HRC 25-34

9/16 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

5 x 150 Hex Cap Screw 8

1/2-13 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (1100) 5/8-18 Flat Socket Cap Screws Alloy 1-8 x 6 Grade 81 2 13 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (1100) . L9 High Tensile Strength Hex Nuts 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 steels. L9