Grade 8M SS Heavy Hex Nut
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Grade 8M SS Heavy Hex Nut

ASTM A194 Grade 8M heavy hex nuts are manufactured from AISI 316 grade stainless steel and tested to meet ASTM A194 Grade 8M. Dimensional specifications are governed by ASME B18.2.2. Grade markings for A194 Grade 8M heavy hex nuts consists of the number/letter combination of 8M. Grade 8M stainless steel heavy hex nuts are intended for use in high-pressure and/or high-temperature service with ASTM A193 and A320 bolting of similar material, such as B8M and B8M Class 2. Heavy hex nuts provide increased bearing surface area over finished nuts.

Grade 8M SS Heavy Hex Nut
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Diameter Thread Pitch Width Across Flats Height of Nut Item # Availability Price Quantity UOM
1/4 20 1/2 0.2344 NH8M0250000-I In Stock $0.20644/EA EA
5/16 18 9/16 0.2969 NH8M0310000-I 3-5 Working Days $1.22209/EA EA
3/8 16 11/16 0.3594 NH8M0370000-I In Stock $0.2788/EA EA
7/16 14 3/4 0.4219 NH8M0430000-I In Stock $0.67046/EA EA
1/2 13 7/8 0.4844 NH8M0500000-I In Stock $0.55316/EA EA
9/16 12 15/16 0.5469 NH8M0560000-I In Stock $3.7309/EA EA
5/8 11 1 1/16 0.6094 NH8M0620000-I In Stock $1.37986/EA EA
3/4 10 1 1/4 0.7344 NH8M0750000-I In Stock $1.93678/EA EA
7/8 9 1 7/16 0.8594 NH8M0870000-I In Stock $3.75422/EA EA
1 8 1 5/8 0.9844 NH8M1000000-I In Stock $5.35455/EA EA
1 1/8 7 1 13/16 1.1094 NH8M112NC00-I In Stock $8.53506/EA EA
1 1/8 8 1 13/16 1.1094 NH8M1120000-I In Stock $5.39542/EA EA
1 1/4 7 2 1.2188 NH8M125NC00-I In Stock $11.41011/EA EA
1 1/4 8 2 1.2188 NH8M1250000-I In Stock $6.96787/EA EA
1 3/8 8 2 3/16 1.3438 NH8M1370000-I In Stock $12.57344/EA EA
1 1/2 6 2 3/8 1.4688 NH8M150NC00-I In Stock $10.81081/EA EA
1 1/2 8 2 3/8 1.4688 NH8M1500000-I In Stock $13.79774/EA EA