Meets ASTM A510 for carbon steel manufacturing

7/8 Hex Key Long Arm Alloy

Class 3A full formed thread

8 x 2 1/2 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (2500)

1/4-20 x 1 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1800) 3/4-10 Socket Cap Screws Alloy Meets ASTM A510 for carbon1 4 20 x 1 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1800) . 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.