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About Nuts, Materials, and Finishes
More
Metric Left-Hand Threaded Medium-Strength Steel Hex Nuts
These metric nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They are suitable for fastening most machinery and equipment. A zinc plating provides corrosion resistance in wet environments.
Class 8 nuts are comparable in strength to Class 8.8 bolts.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Class 5 | |||||||
| M3 | 0.5 | 5.5 | 2.4 | DIN 934L | 25 | 000000000 | 000000 |
| M4 | 0.7 | 7 | 3.2 | DIN 934L | 25 | 000000000 | 0000 |
Zinc-Plated Steel—Class 8 | |||||||
| M5 | 0.8 | 8 | 4 | DIN 934L | 100 | 000000000 | 00000 |
| M6 | 1 | 10 | 5 | DIN 934L | 100 | 000000000 | 00000 |
| M8 | 1.25 | 13 | 6.5 | DIN 934L | 50 | 000000000 | 0000 |
| M10 | 1.5 | 17 | 8 | DIN 934L | 25 | 000000000 | 00000 |
| M12 | 1.75 | 19 | 10 | DIN 934L | 25 | 000000000 | 00000 |
| M14 | 2 | 22 | 11 | DIN 934L | 10 | 000000000 | 00000 |
| M16 | 2 | 24 | 13 | DIN 934L | 10 | 000000000 | 00000 |
| M20 | 2.5 | 30 | 16 | DIN 934L | 5 | 000000000 | 00000 |
| M24 | 3 | 36 | 19 | DIN 934L | 1 | 000000000 | 0000 |
| M30 | 3.5 | 46 | 24 | DIN 934L | 1 | 000000000 | 0000 |
| M36 | 4 | 55 | 29 | DIN 934L | 1 | 000000000 | 00000 |
Left-Hand Threaded Medium-Strength Steel Hex Nuts—Grade 5
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They're suitable for fastening most machinery and equipment.
Zinc yellow-chromate plated and 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. | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate Plated Steel—Grade 5 | |||||
|---|---|---|---|---|---|
| 3/8"-24 | 9/16" | 21/64" | 25 | 000000000 | 000000 |
| 5/8"-11 | 15/16" | 35/64" | 5 | 000000000 | 00000 |
Zinc-Plated Steel—Grade 5 | |||||
| 1/4"-28 | 7/16" | 7/32" | 50 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 50 | 000000000 | 00000 |
| 5/16"-24 | 1/2" | 17/64" | 50 | 000000000 | 00000 |
| 3/8"-16 | 9/16" | 21/64" | 25 | 000000000 | 0000 |
| 3/8"-24 | 9/16" | 21/64" | 25 | 000000000 | 0000 |
| 7/16"-20 | 11/16" | 3/8" | 25 | 000000000 | 00000 |
| 1/2"-13 | 3/4" | 7/16" | 10 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 10 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/8" | 41/64" | 10 | 000000000 | 00000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 00000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
Left-Hand Threaded High-Strength Steel Hex Nuts
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They're about 25% stronger than medium-strength steel nuts and zinc yellow-chromate plated to resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate Plated Steel—Grade 8 | |||||
|---|---|---|---|---|---|
| 1/4"-20 | 7/16" | 7/32" | 50 | 000000000 | 000000 |
| 1/4"-28 | 7/16" | 7/32" | 50 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 25 | 000000000 | 0000 |
| 3/8"-16 | 9/16" | 21/64" | 25 | 000000000 | 00000 |
| 3/8"-24 | 9/16" | 21/64" | 25 | 000000000 | 00000 |
| 7/16"-20 | 11/16" | 3/8" | 10 | 000000000 | 0000 |
| 1/2"-13 | 3/4" | 7/16" | 10 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 10 | 000000000 | 0000 |
| 9/16"-12 | 7/8" | 31/64" | 10 | 000000000 | 0000 |
| 9/16"-18 | 7/8" | 31/64" | 10 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 5 | 000000000 | 0000 |
| 5/8"-18 | 15/16" | 35/64" | 5 | 000000000 | 00000 |
| 3/4"-10 | 1 1/8" | 41/64" | 5 | 000000000 | 00000 |
| 3/4"-16 | 1 1/8" | 41/64" | 5 | 000000000 | 00000 |
| 7/8"-9 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 7/8"-14 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1 1/8"-7 | 1 11/16" | 31/32" | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 1 7/8" | 1 1/16" | 1 | 000000000 | 0000 |
| 1 1/4"-12 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/2"-6 | 2 1/4" | 1 9/32" | 1 | 000000000 | 00000 |
Left-Hand Threaded Low-Strength Steel Hex Nuts
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They're about half the strength of medium-strength steel nuts and used in light duty fastening applications, such as securing access panels.
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. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Grade 2 | |||||
|---|---|---|---|---|---|
| 6-32 | 5/16" | 7/64" | 25 | 000000000 | 000000 |
| 8-32 | 11/32" | 1/8" | 25 | 000000000 | 00000 |
| 10-24 | 3/8" | 1/8" | 25 | 000000000 | 00000 |
| 10-32 | 3/8" | 1/8" | 25 | 000000000 | 00000 |
| 1/4"-20 | 7/16" | 7/32" | 100 | 000000000 | 00000 |
| 1/4"-28 | 7/16" | 7/32" | 50 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 50 | 000000000 | 0000 |
| 5/16"-24 | 1/2" | 17/64" | 50 | 000000000 | 00000 |
| 3/8"-16 | 9/16" | 21/64" | 50 | 000000000 | 00000 |
| 3/8"-24 | 9/16" | 21/64" | 50 | 000000000 | 00000 |
| 7/16"-20 | 11/16" | 3/8" | 10 | 000000000 | 0000 |
| 1/2"-13 | 3/4" | 7/16" | 25 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 10 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 10 | 000000000 | 00000 |
| 5/8"-18 | 15/16" | 35/64" | 5 | 000000000 | 00000 |
| 3/4"-10 | 1 1/8" | 41/64" | 10 | 000000000 | 00000 |
| 3/4"-16 | 1 1/8" | 41/64" | 5 | 000000000 | 00000 |
| 7/8"-9 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 7/8"-14 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
Steel—Grade 2 | |||||
| 1/4"-20 | 7/16" | 7/32" | 100 | 000000000 | 00000 |
| 1/4"-28 | 7/16" | 7/32" | 100 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 100 | 000000000 | 00000 |
| 5/16"-24 | 1/2" | 17/64" | 100 | 000000000 | 00000 |
| 3/8"-16 | 9/16" | 21/64" | 25 | 000000000 | 0000 |
| 3/8"-24 | 9/16" | 21/64" | 50 | 000000000 | 00000 |
| 7/16"-14 | 11/16" | 3/8" | 25 | 000000000 | 00000 |
| 7/16"-20 | 11/16" | 3/8" | 25 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 25 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 10 | 000000000 | 00000 |
| 5/8"-18 | 15/16" | 35/64" | 10 | 000000000 | 00000 |
| 3/4"-10 | 1 1/8" | 41/64" | 5 | 000000000 | 0000 |
| 3/4"-16 | 1 1/8" | 41/64" | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 5/16" | 3/4" | 5 | 000000000 | 00000 |
| 7/8"-14 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 0000 |
| 1 1/8"-7 | 1 11/16" | 31/32" | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/4"-12 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/2"-6 | 2 1/4" | 1 9/32" | 1 | 000000000 | 00000 |
Metric Left-Hand Threaded 18-8 Stainless Steel Hex Nuts
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. Also known as A2 stainless steel, they have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
| M3 | 0.5 | 5.5 | 2.4 | DIN 934L | 10 | 000000000 | 000000 |
| M4 | 0.7 | 7 | 3.2 | DIN 934L | 10 | 000000000 | 0000 |
| M5 | 0.8 | 8 | 4 | DIN 934L | 25 | 000000000 | 00000 |
| M6 | 1 | 10 | 5 | DIN 934L | 10 | 000000000 | 0000 |
| M8 | 1.25 | 13 | 6.5 | DIN 934L | 10 | 000000000 | 0000 |
| M10 | 1.5 | 17 | 8 | DIN 934L | 5 | 000000000 | 0000 |
| M12 | 1.75 | 19 | 10 | DIN 934L | 5 | 000000000 | 00000 |
| M14 | 2 | 22 | 11 | DIN 934L | 1 | 000000000 | 0000 |
| M16 | 2 | 24 | 13 | DIN 934L | 1 | 000000000 | 0000 |
| M20 | 2.5 | 30 | 16 | DIN 934L | 1 | 000000000 | 0000 |
| M24 | 3 | 36 | 19 | DIN 934L | 1 | 000000000 | 00000 |
| M30 | 3.5 | 46 | 24 | DIN 934L | 1 | 000000000 | 00000 |
Left-Hand Threaded 18-8 Stainless Steel Hex Nuts
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||
|---|---|---|---|---|---|
| 1/4"-20 | 7/16" | 7/32" | 25 | 000000000 | 000000 |
| 1/4"-28 | 7/16" | 7/32" | 25 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 10 | 000000000 | 0000 |
| 5/16"-24 | 1/2" | 17/64" | 10 | 000000000 | 0000 |
| 3/8"-16 | 9/16" | 21/64" | 10 | 000000000 | 0000 |
| 3/8"-24 | 9/16" | 21/64" | 10 | 000000000 | 0000 |
| 1/2"-13 | 3/4" | 7/16" | 5 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 5 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 1 | 000000000 | 0000 |
| 5/8"-18 | 15/16" | 35/64" | 1 | 000000000 | 0000 |
| 3/4"-10 | 1 1/8" | 41/64" | 1 | 000000000 | 0000 |
| 3/4"-16 | 1 1/8" | 41/64" | 1 | 000000000 | 0000 |
| 7/8"-9 | 1 5/16" | 3/4" | 1 | 000000000 | 0000 |
| 7/8"-14 | 1 5/16" | 3/4" | 1 | 000000000 | 00000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 00000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 00000 |
| 1 1/8"-7 | 1 11/16" | 31/32" | 1 | 000000000 | 00000 |
| 1 1/4"-7 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/4"-12 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/2"-6 | 2 1/4" | 1 9/32" | 1 | 000000000 | 00000 |
Left-Hand Threaded Super-Corrosion-Resistant
316 Stainless Steel Hex Nuts
These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They have excellent chemical resistance and can be used in saltwater environments. Nuts may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||
|---|---|---|---|---|---|
| 10-24 | 5/16" | 5/32" | 1 | 00000000 | 00000 |
| 1/4"-20 | 7/16" | 7/32" | 1 | 000000000 | 00000 |
| 1/4"-28 | 7/16" | 7/32" | 1 | 000000000 | 00000 |
| 5/16"-18 | 1/2" | 17/64" | 1 | 000000000 | 00000 |
| 5/16"-24 | 1/2" | 17/64" | 1 | 000000000 | 00000 |
| 3/8"-16 | 9/16" | 21/64" | 1 | 000000000 | 00000 |
| 3/8"-24 | 9/16" | 21/64" | 1 | 000000000 | 00000 |
| 7/16"-14 | 11/16" | 3/8" | 1 | 000000000 | 00000 |
| 7/16"-20 | 11/16" | 3/8" | 1 | 000000000 | 00000 |
| 1/2"-13 | 3/4" | 7/16" | 1 | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 7/16" | 1 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 35/64" | 1 | 000000000 | 00000 |
| 5/8"-18 | 15/16" | 35/64" | 1 | 000000000 | 00000 |
| 3/4"-16 | 1 1/8" | 41/64" | 1 | 000000000 | 00000 |
| 7/8"-9 | 1 5/16" | 3/4" | 1 | 000000000 | 00000 |
| 7/8"-14 | 1 5/16" | 3/4" | 1 | 000000000 | 00000 |
| 1"-8 | 1 1/2" | 55/64" | 1 | 000000000 | 00000 |
| 1"-14 | 1 1/2" | 55/64" | 1 | 000000000 | 00000 |
| 1 1/4"-7 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/4"-12 | 1 7/8" | 1 1/16" | 1 | 000000000 | 00000 |
| 1 1/2"-6 | 2 1/4" | 1 9/32" | 1 | 000000000 | 000000 |