Grade 7 Heavy Hex Nut
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Grade 7 Heavy Hex Nut

ASTM A194 Grade 7 heavy hex nuts are manufactured from alloy steel, quenched and tempered. The ASTM A194 specification covers carbon steel, alloy steel, and stainless steel nuts for bolts in high pressure or high temperature service. They are a common high strength nut used with stud bolts for high and low temperature service, such as B16 and L7. Dimensional specifications are governed by ASME B18.2.2. Heavy hex nuts provide increased bearing surface area over finished nuts such as J995 Grade 5 nuts.

Grade 7 Heavy Hex Nut
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Diameter Thread Pitch Width Across Flats Height of Nut Item # Availability Price Quantity UOM
1/2 13 7/8 0.4844 NHG70500000-I In Stock $0.48638/EA EA
5/8 11 1 1/16 0.6094 NHG70620000-I In Stock $0.55187/EA EA
3/4 10 1 1/4 0.7344 NHG70750000-I In Stock $0.72815/EA EA
7/8 9 1 7/16 0.8594 NHG70870000-I In Stock $1.28709/EA EA
1 8 1 5/8 0.9844 NHG71000000-I In Stock $1.63734/EA EA
1 1/8 8 1 13/16 1.1094 NHG71120000-I In Stock $2.34343/EA EA
1 1/4 8 2 1.2188 NHG71250000-I 3-5 Working Days $2.81213/EA EA
1 3/8 8 2 3/16 1.3438 NHG71370000-I In Stock $3.35221/EA EA
1 1/2 8 2 3/8 1.4688 NHG71500000-I In Stock $4.14889/EA EA
1 5/8 8 2 9/16 1.5938 NHG71620000-I In Stock $5.17393/EA EA
1 3/4 8 2 3/4 1.7187 NHG71750000-I In Stock $6.27017/EA EA
1 7/8 8 2 15/16 1.8437 NHG71870000-I In Stock $14.43538/EA EA
2 8 3 1/8 1.9687 NHG72000000-I In Stock $10.77109/EA EA
2 1/4 8 3 1/2 2.2031 NHG72250000-I In Stock $18.41863/EA EA
2 1/2 8 3 7/8 2.4531 NHG72500000-I In Stock $19.12172/EA EA