1/2 Cobalt Heavy Duty Jobber Drill Bit

The 3/8" anchor solution approved for 3 ¼" concrete thickness: The Strong-Bolt 2 anchor can be installed in cracked concrete with a minimum thickness of 3 ¼"

7/8-9 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (45)

50 x 70 Hex Cap Screw DIN 933 A2 (18-8) Stainless Steel - DIN 933 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

3/4-10 x 12 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

5/16-18 L9 Hex Collar Locknuts Cadmium Yellow Wax Coated Domestic USA (100) M24-3.00 Socket Set Screws Cup Point DIN 916 Black Oxide 1/2 Cobalt Heavy Duty Jobber5 16 18 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (100). 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