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
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)
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
