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Meets ASTM A510 for carbon steel manufacturing

1 3/8-6 x 5 Socket Cap Screw Alloy

Used for many purposes

1/2-20 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200) 1-8 Socket Set Screws Cup Point 18-8 Stainless Steel 0px Verdana} span1 2 20 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200) . 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