also referred to as acorn nuts are used to cover exposed bolt ends and add a finished appearance

5/8-18 x 3 1/2 Socket Cap Screw Alloy

and its jaws open into lock position when placed within a hollow surface

Grade 2 Finished Hex Nuts are manufactured from low carbon steel

1 1/4-12 x 11 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8)

5/16-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100) 7/8-9 Socket Cap Screws Alloy also referred to as acorn5 16 24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100) . L9 High Tensile Strength Hex Nuts 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 steels. L9