meets or exceeds ASTM A574

7/8-9 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

1/2 x 6 Titen HD Concrete Anchor Zinc Plated (20)

5/8-11 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200)

5/8 x 18 Ship Auger Wood Bit

5/8-18 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated meets or exceeds ASTM A5745 8 18 x 4 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . L9 High Tensile Strength Hex Cap Screws 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 bolting from AISI alloy steels. L9