1-14 x 4 Socket Cap Screw Alloy

9/16 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit

1 x 18 ITM SDS Plus Hammer Drill Bit

1/2-20 x 5 1/2 Hex Cap Screw SS 18-8 (A2)

5/8-18 x 6 Hex Cap Screw SS 18-8 (A2)

1/2-20 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (50) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated 1-14 x 4 Socket Cap1 2 20 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (50). 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