Standard: GOST 5916 - 1970
Available sizes: (1) to 3 (6 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (1) | 0.3 | 0.038 | 1.61 | 1.4 | / | 3.2 | 1 | 0.9 | 3.3 | 2.9 |
| (1.4) | 0.4 | 0.074 | 2.3 | 2 | / | 4 | 1.2 | 1.1 | 4.2 | 3.6 |
| 1.6 | 0.5 | 0.218 |
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.
| 3.45 |
| 3 |
| / |
| 5.5 |
| 1.8 |
| 1.7 |
| 5.9 |
| 5 |
| 2 | 0.7 | 0.431 | 4.6 | 4 | / | 7 | 2.2 | 2.1 | 7.5 | 6.3 |
| 2.5 | 1 | 1.254 | 6.75 | 6 | / | 10 | 3.2 | 3.08 | 10.9 | 9 |
| 3 | 1.5 | 5.02 | 10.8 | 10 | 1.25 | 16 | 5 | 4.88 | 17.6 | 14.5 |
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