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M3 Hex Nut, Stainless Steel 304
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M3 Hex Nut, Stainless Steel 304 — a M3 nut in Stainless Steel 304. Tightened with a standard wrench or socket across the flats.
Specifications
| Thread size | M3 |
|---|---|
| Thread pitch | 0.5 mm (coarse) |
| Length | 2.4 mm (0.094 in) |
| Across flats | 5.5 mm (0.217 in) |
| Head style | Hex |
| Drive | External Hex |
| Thread configuration | N/A |
| Body shape | Hex |
| Material | Stainless Steel 304 |
| Finish | Plain |
| Strength grade / class | A2-70 |
| Standards | ISO 4032, DIN 934, ASME B18.2.2 |
| Max continuous temperature | 400 °C (752 °F) |
| RoHS | Compliant |
| Unit weight | 0.374 g |
| Standard pack | 100 pcs |
| HTS classification | 7318.15.2000 |
Installation reference
- Tap drill for M3: 2.5 mm (0.098 in) at 75% thread engagement
- Nearest imperial thread: #4-40 — similar in diameter but not interchangeable
About Stainless Steel 304
304 stainless resists general atmospheric and indoor corrosion and is non-magnetic in the annealed condition. It is not the right choice for salt spray or chloride exposure — 316 is. Stainless threads can gall under speed or load; back off the driver and use an anti-seize compound on repeated assemblies.
Related reference
- Fastener standards cross-reference: ASME, ISO and DIN
- Tap drill size chart — metric, UNC and UNF
- Metric to imperial fastener conversion
- Bolt head markings and grade chart
- All hex nuts
- All reference charts
Need a quantity, a length or a material that is not listed? Send us the specification and we will source it.