Standard: GOST 7798
Available sizes: (14) to 8 (8 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| (14) | 3 | 15 | 39.6 | 2 | 24 | 0.2 | 0.8 | 36 | 33.2 |
| (18) | 4.5 | 26 | 71.3 | 3 | 42 | 0.25 | 0.8 | 65 | 59.9 |
| 10 | 2 | 10 | 26.2 | 1.5 | 16 |
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.
| 0.2 |
| 0.8 |
| 24 |
| 22 |
| 12 | 2.5 | 12.5 | 33 | 1.5 | 20 | 0.2 | 0.8 | 30 | 27.7 |
| 16 | 3.5 | 18.7 | 50.9 | 2 | 30 | 0.2 | 0.8 | 46 | 42.7 |
| 20 | 5 | 30 | 82.6 | 3 | 48 | 0.25 | 0.8 | 75 | 69.4 |
| 6 | 1.25 | 5.3 | 14.2 | 1 | 8 | 0.15 | 0.6 | 13 | 11.5 |
| 8 | 1.75 | 7.5 | 19.9 | 1.25 | 12 | 0.15 | 0.6 | 18 | 16.5 |
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