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About Nuts, Materials, and Finishes
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High-Strength Super-Corrosion-Resistant 316 Stainless
Steel Hex Nuts for High-Pressure Applications
Hardened for added strength, these nuts have excellent chemical resistance and can be used in saltwater environments. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Nuts may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel—Grade 8M | ||||||
|---|---|---|---|---|---|---|
| 5/16"-18 | 1/2" | 17/64" | ASTM A194 | 5 | 000000000 | 000000 |
| 3/8"-16 | 9/16" | 21/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1/2"-13 | 3/4" | 7/16" | ASTM A194 | 1 | 000000000 | 0000 |
| 5/8"-11 | 15/16" | 35/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 3/4"-10 | 1 1/8" | 41/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1"-8 | 1 1/2" | 55/64" | ASTM A194 | 1 | 000000000 | 00000 |
Extreme-Strength Steel Extra-Wide Hex Nuts—Grade 2H
Also known as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Grade 2H nuts are comparable in strength to Grade 9 bolts. They're about 20% stronger than high-strength steel nuts and are used in heavy machinery, such as earth-moving equipment.
Zinc yellow-chromate plated steel nuts resist corrosion in wet environments.
Hot-dipped galvanized steel nuts have a thick coating for better corrosion resistance than zinc-plated steel nuts. They must be used with other hot-dipped galvanized fasteners.
Black-oxide steel nuts have a dark surface color and are mildly corrosion resistant in dry environments.
PTFE-coated steel nuts have a slippery surface to resist sticking during installation. They're resistant to chemicals and salt water.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate Plated Steel—Grade 2H | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 1/2" | 15/64" | ASME B18.2.2, ASTM A194 | 100 | 000000000 | 000000 |
| 1/4"-28 | 1/2" | 15/64" | ASME B18.2.2, ASTM A194 | 50 | 000000000 | 00000 |
| 5/16"-18 | 9/16" | 19/64" | ASME B18.2.2, ASTM A194 | 50 | 000000000 | 0000 |
| 5/16"-24 | 9/16" | 19/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 0000 |
| 3/8"-16 | 11/16" | 23/64" | ASME B18.2.2, ASTM A194 | 50 | 000000000 | 00000 |
| 3/8"-24 | 11/16" | 23/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 00000 |
| 1/2"-20 | 7/8" | 31/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-18 | 1 1/16" | 39/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-16 | 1 1/4" | 47/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 00000 |
| 1"-8 | 1 5/8" | 63/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |
| 1"-14 | 1 5/8" | 63/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
Hot-Dipped Galvanized Steel—Grade 2H | ||||||
| 1/4"-20 | 1/2" | 15/64" | ASTM A194 | 50 | 000000000 | 00000 |
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 50 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 25 | 000000000 | 00000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1 1/8"-7 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-8 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/8"-6 | 2 3/16" | 1 11/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/2"-6 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/4"-5 | 2 3/4" | 1 23/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 2"-4 1/2 | 3 1/8" | 1 31/32" | ASTM A194 | 1 | 000000000 | 00000 |
Black-Oxide Steel—Grade 2H | ||||||
| 1/4"-20 | 1/2" | 15/64" | ASTM A194 | 25 | 000000000 | 0000 |
| 5/16"-18 | 9/16" | 19/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 7/16"-14 | 3/4" | 27/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 1 | 000000000 | 0000 |
PTFE-Coated Steel—Grade 2H | ||||||
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 25 | 000000000 | 00000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1 1/8"-8 | 1 5/8" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/8"-8 | 2 3/16" | 1 11/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/2"-8 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 5/8"-8 | 2 9/16" | 1 19/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/4"-8 | 2 3/4" | 1 23/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 7/8"-8 | 2 15/16" | 1 27/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 2"-8 | 3 1/8" | 1 31/32" | ASTM A194 | 1 | 000000000 | 00000 |
Steel—Grade 2H | ||||||
| 1/4"-20 | 1/2" | 15/64" | ASTM A194 | 100 | 000000000 | 00000 |
| 1/4"-28 | 1/2" | 15/64" | ASME B18.2.2, ASTM A194 | 50 | 000000000 | 00000 |
| 5/16"-18 | 9/16" | 19/64" | ASTM A194 | 50 | 000000000 | 00000 |
| 5/16"-24 | 9/16" | 19/64" | ASME B18.2.2, ASTM A194 | 50 | 000000000 | 00000 |
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 50 | 000000000 | 00000 |
| 3/8"-24 | 11/16" | 23/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 0000 |
| 7/16"-14 | 3/4" | 27/64" | ASTM A194 | 25 | 000000000 | 00000 |
| 7/16"-20 | 3/4" | 27/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 25 | 000000000 | 00000 |
| 1/2"-20 | 7/8" | 31/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 00000 |
| 9/16"-12 | 15/16" | 35/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-18 | 1 1/16" | 39/64" | ASME B18.2.2, ASTM A194 | 25 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-16 | 1 1/4" | 47/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 0000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-14 | 1 7/16" | 55/64" | ASME B18.2.2, ASTM A194 | 10 | 000000000 | 00000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1"-12 | 1 5/8" | 63/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1"-14 | 1 5/8" | 63/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 0000 |
| 1 1/8"-7 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-8 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-12 | 1 13/16" | 1 7/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-12 | 2" | 1 7/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/8"-6 | 2 3/16" | 1 11/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/8"-8 | 2 3/16" | 1 11/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/8"-12 | 2 3/16" | 1 11/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/2"-6 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/2"-8 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/2"-12 | 2 3/8" | 1 15/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 5/8"-8 | 2 9/16" | 1 19/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 0000 |
| 1 3/4"-5 | 2 3/4" | 1 23/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/4"-8 | 2 3/4" | 1 23/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 7/8"-8 | 2 15/16" | 1 27/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 00000 |
| 2"-4 1/2 | 3 1/8" | 1 31/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 2"-8 | 3 1/8" | 1 31/32" | ASTM A194 | 1 | 000000000 | 00000 |
| 2 1/4"-4 1/2 | 3 1/2" | 2 13/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 00000 |
| 2 1/4"-8 | 3 1/2" | 2 13/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 00000 |
| 2 1/2"-4 | 3 7/8" | 2 29/64" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 00000 |
Metric Extreme-Strength Steel Extra-Wide Hex Nuts—Grade 2H
About 10% wider and taller than standard hex nuts, these nuts distribute the load over a large area. They're also known as heavy hex nuts. Grade 2H nuts are comparable in strength to Class 12.9 bolts. They're about 20% stronger than high-strength steel nuts and are used in heavy machinery, such as earth-moving equipment.
Fine threads are closely spaced to prevent loosening from vibration.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Spacing | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Grade 2H | ||||||||
| M10 | 1.5 | Coarse | 19 | 12 | ASTM A194 | 5 | 000000000 | 00000 |
| M12 | 1.75 | Coarse | 21 | 12 | ASTM A194, DIN 6915 | 5 | 000000000 | 0000 |
| M14 | 2 | Coarse | 24 | 14 | ASTM A194, DIN 6915 | 5 | 000000000 | 0000 |
| M16 | 2 | Coarse | 27 | 17 | ASTM A194, DIN 6915 | 5 | 000000000 | 0000 |
| M18 | 2.5 | Coarse | 30 | 19 | ASTM A194, DIN 6915 | 5 | 000000000 | 00000 |
| M20 | 2.5 | Coarse | 33 | 20 | ASTM A194, DIN 6915 | 5 | 000000000 | 00000 |
| M22 | 2.5 | Coarse | 36 | 23 | ASTM A194, DIN 6915 | 1 | 000000000 | 0000 |
| M24 | 3 | Coarse | 41 | 24 | ASTM A194, DIN 6915 | 1 | 000000000 | 0000 |
| M27 | 3 | Coarse | 46 | 27 | ASTM A194, DIN 6915 | 1 | 000000000 | 0000 |
| M30 | 3.5 | Coarse | 50 | 30 | ASTM A194, DIN 6915 | 1 | 000000000 | 0000 |
| M33 | 3.5 | Coarse | 55 | 33 | ASTM A194, DIN 6915 | 1 | 000000000 | 00000 |
| M36 | 3 | Fine | 60 | 36 | ASTM A194, DIN 6915 | 1 | 000000000 | 00000 |
| M36 | 4 | Coarse | 60 | 36 | ASTM A194, DIN 6915 | 1 | 000000000 | 00000 |
| M39 | 4 | Coarse | 65 | 39 | ASTM A194 | 1 | 000000000 | 00000 |
| M42 | 3 | Fine | 70 | 39 | ASTM A194 | 1 | 000000000 | 00000 |
| M42 | 4.5 | Coarse | 70 | 42 | ASTM A194 | 1 | 000000000 | 00000 |
| M45 | 4.5 | Coarse | 75 | 45 | ASTM A194 | 1 | 000000000 | 00000 |
| M48 | 3 | Fine | 80 | 48 | ASTM A194 | 1 | 000000000 | 00000 |
| M48 | 5 | Coarse | 80 | 48 | ASTM A194 | 1 | 000000000 | 00000 |
| M52 | 5 | Coarse | 85 | 52 | ASTM A194 | 1 | 000000000 | 00000 |
| M56 | 5.5 | Coarse | 90 | 56 | ASTM A194 | 1 | 000000000 | 00000 |
| M64 | 6 | Coarse | 100 | 64 | ASTM A194 | 1 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel
Extra-Wide Hex Nuts for High-Pressure Applications
These nuts have excellent chemical resistance and can be used in saltwater environments. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Also known as heavy hex nuts, they are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Nuts may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel—Grade 8M | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 1/2" | 1/4" | ASTM A194 | 50 | 000000000 | 000000 |
| 5/16"-18 | 9/16" | 19/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 7/16"-14 | 3/4" | 27/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-7 | 1 13/16" | 1 9/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-8 | 1 13/16" | 1 9/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/4"-7 | 2" | 1 1/4" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/4"-8 | 2" | 1 1/4" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/2"-6 | 2 3/8" | 1 1/2" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/2"-8 | 2 3/8" | 1 1/2" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 5/8"-8 | 2 9/16" | 1 5/8" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 3/4"-8 | 2 3/4" | 1 3/4" | ASTM A194 | 1 | 000000000 | 00000 |
| 2"-8 | 3 1/8" | 2 1/64" | ASTM A194 | 1 | 000000000 | 00000 |
18-8 Stainless Steel Extra-Wide Hex
Nuts for High-Pressure Applications
These nuts have good chemical resistance and may be mildly magnetic. They maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Also known as heavy hex nuts, they are about 10% wider and taller than standard hex nuts and distribute the load over a large area.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel—A194 Grade 8 | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 1/2" | 15/64" | ASTM A194 | 25 | 000000000 | 000000 |
| 1/4"-28 | 1/2" | 15/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 5/16"-18 | 9/16" | 19/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 5/16"-24 | 9/16" | 19/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 3/8"-24 | 11/16" | 23/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 7/16"-14 | 3/4" | 27/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 7/16"-20 | 3/4" | 27/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 1/2"-20 | 7/8" | 31/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 5/8"-18 | 1 1/16" | 39/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 3/4"-16 | 1 1/4" | 47/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1"-14 | 1 5/8" | 63/64" | ASTM A194 | 1 | 000000000 | 00000 |
| 1 1/8"-7 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 00000 |
Steel Extra-Wide Hex Nuts for High-Pressure Applications
Able to maintain their strength in high-pressure and high-temperature environments, these nuts are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Also known as heavy hex nuts, they are about 10% wider and taller than standard hex nuts and distribute the load over a large area.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Grade 7 | ||||||
|---|---|---|---|---|---|---|
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 00000 |
| 1 1/8"-7 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-8 | 2 1/32" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2 15/64" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
Extreme-Strength Steel Extra-Wide Thin Hex Nuts—Grade 2H
Also known as heavy jam nuts, these are about half the height and 10% wider than standard hex nuts. Use them in low-clearance applications or jam one against another extra-wide hex nut to hold it in place. They're often used in conjunction with an extra-wide hex nut to fasten Grade 9 bolts in heavy machinery, such as earth-moving equipment.
Zinc-plated steel nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Grade 2H | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 1/2" | 11/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |
| 5/16"-18 | 9/16" | 13/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |
| 3/8"-16 | 11/16" | 15/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 19/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |
| 5/8"-11 | 1 1/16" | 23/64" | ASME B18.2.2, ASTM A194 | 5 | 000000000 | 00000 |