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About Nuts, Materials, and Finishes
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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 |
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 |