Alma Bolt Company & Prime Fasteners 1-800-526-2200

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Heavy Hex Nuts

Heavy Hex Nuts

Available in plain steel, zinc plated or stainless steel in coarse and fine, standard or left hand threads. Made from heat treated low carbon steel. Stocked in sizes from 1/4" to 4". See specifications, dimensions & technical information on Heavy Hex Nuts. Also see sizes and dimensions on Standard & Heavy Hex Nuts, combined.

Group codes represented: HHN
Part# examples: 37UHHN, 150UHHN

A-325 Heavy Hex Nuts

Designed for use with A-325 structural heavy hex head cap screws, these nuts are made with tempered, medium carbon steel and meet ASTM A-325 specifications. Stocked in diameters from 1/2".

Group codes Represented: A325
Part# Example: 50U200A325 (sold together w/bolt)

2H Heavy Hex Nuts

Designed for use with B7 studs and bolts, these nuts are made with tempered 1045-1050 steel and exceed ASTM A-194 Grade 2H specifications. The grade designation is marked clearly on top. Stocked in diameters from 1/4" to 5".

Group codes represented: 2H
Part# examples: 50U2H

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