2H Heavy Hex Nut
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2H Heavy Hex Nut

ASTM A194 Grade 2H heavy hex nuts are intended for use in flange bolting applications, as well as structural applications and with other high strength bolting. ASTM A194 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 many different bolting grades, including A193 Grade B7, F3125 Grades A325 and A490, as well as with F1554 Grade 105 anchor bolts and studs. 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.

2H 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 N2HB0250000-I In Stock $0.32019/EA EA
5/16 18 9/16 0.2969 N2HB0310000-I In Stock $0.04548/EA EA
3/8 16 11/16 0.3594 N2HB0370000-I In Stock $0.07598/EA EA
3/8 24 11/16 - N2HB037NF00-I In Stock $1.91964/EA EA
7/16 14 3/4 0.4219 N2HB0430000-I In Stock $0.15426/EA EA
7/16 20 3/4 - N2HB043NF00-I 3-5 Working Days $0.71692/EA EA
1/2 13 7/8 0.4844 N2HB0500000-I In Stock $0.15104/EA EA
1/2 20 7/8 - N2HB050NF00-I In Stock $0.50687/EA EA
9/16 12 15/16 0.5469 N2HB0560000-I In Stock $0.53096/EA EA
5/8 11 1 1/16 0.6094 N2HB0620000-I In Stock $0.29094/EA EA
5/8 18 1 1/16 - N2HB062NF00-I In Stock $0.96701/EA EA
3/4 10 1 1/4 0.7344 N2HB0750000-I In Stock $0.44076/EA EA
7/8 9 1 7/16 0.8594 N2HB0870000-I In Stock $0.72847/EA EA
7/8 14 1 7/16 - N2HB087NF00-I In Stock $1.90108/EA EA
1 8 1 5/8 0.9844 N2HB1000000-I In Stock $0.81881/EA EA
1 1/8 7 1 13/16 1.1094 N2HB112NC00-I In Stock $3.30123/EA EA
1 1/8 8 1 13/16 1.1094 N2HB1120000-I In Stock $1.18382/EA EA
1 1/4 7 2 1.2188 N2HB125NC00-I In Stock $3.37238/EA EA
1 1/4 8 2 1.2188 N2HB1250000-I In Stock $2.17079/EA EA
1 3/8 6 2 3/16 1.3438 N2HB137NC00-I In Stock $3.56519/EA EA
1 3/8 8 2 3/16 1.3438 N2HB1370000-I In Stock $2.80906/EA EA
1 3/8 12 3 15/16 - N2HB137NF00-I In Stock $3.32527/EA EA
1 1/2 6 2 3/8 1.4688 N2HB150NC00-I In Stock $4.96269/EA EA
1 1/2 8 2 3/8 1.4688 N2HB1500000-I In Stock $4.03559/EA EA
1 5/8 5.5000 2 9/16 1.5938 N2HB162NC00-I In Stock $4.38739/EA EA
1 5/8 8 2 9/16 1.5938 N2HB1620000-I In Stock $3.34802/EA EA
1 3/4 5 2 3/4 1.7188 N2HB175NC00-I In Stock $10.24729/EA EA
1 3/4 8 2 3/4 1.7188 N2HB1750000-I In Stock $4.24249/EA EA
1 7/8 5 2 15/16 1.8438 N2HB187NC00-I In Stock $10.68443/EA EA
1 7/8 8 2 15/16 1.8438 N2HB1870000-I In Stock $5.24825/EA EA
2 4 3 1/8 1.9688 N2HB200NC00-I In Stock $9.92769/EA EA
2 8 3 1/8 1.9688 N2HB2000000-I In Stock $6.26176/EA EA
2 8 4 5/8 2.9531 N2HB3000000-I In Stock $27.78075/EA EA
2 1/4 4.5000 3 1/2 2.2031 N2HB225NC00-I In Stock $30.13893/EA EA
2 1/4 8 3 1/2 2.2031 N2HB2250000-I In Stock $9.52614/EA EA
2 1/2 4 3 7/8 2.4531 N2HB250NC00-I In Stock $19.94729/EA EA
2 1/2 8 3 7/8 2.4531 N2HB2500000-I In Stock $20.04417/EA EA
2 3/4 4 4 1/4 2.7031 N2HB275NC00-I 3-5 Working Days $19.0039/EA EA
2 3/4 8 4 1/4 2.7031 N2HB2750000-I In Stock $17.35403/EA EA