Standard: GOST 5927 - 1970
Available sizes: M1 to M3 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M1 | 0.3 | 1.4 | 1.61 | / | 3.2 | 1 | 0.057 | 3.4 | 2.9 |
| M1.4 | 0.4 | 2 | 2.3 | / | 4 | 1.6 | 0.141 | 4.3 | 3.6 |
| M1.6 | 0.5 | 3 | 3.45 | / | 5.5 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| 2.4 |
| 0.377 |
| 6 |
| 5 |
| M2 | 0.7 | 4 | 4.6 | / | 7 | 3.2 | 0.8 | 7.7 | 6.3 |
| M2.5 | 1 | 6 | 6.75 | / | 10 | 5.2 | 2.573 | 11.1 | 9 |
| M3 | 1.5 | 10 | 10.8 | 1.25 | 16 | 8.4 | 10.22 | 17.8 | 14.6 |
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