Standard: GB /T 10051.5 - 2010
Available sizes: 006 to 08 (8 sizes)
| Size | P | e | s_max | s_min | ds_min | k_nominal |
|---|---|---|---|---|---|---|
| 006 | 16 | 106 | 12 | M12 | 32.5 | 9 |
| 010 | 20 | 135.5 | 16 | M16 | 41.5 | 12.5 |
| 012 | 24 | 152.5 | 20 | M20 | 46 | 16 |
| 020 | 30 | 183 | 24 | M24 |
| 55 |
| 19.5 |
| 025 | 36 | 221 | 30 | M30 | 68 | 24.5 |
| 04 | 48 | 281.5 | 42 | M42 | 93 | 35.5 |
| 05 | 60 | 375 | 50 | — | — | — |
| 08 | 67 | 413 | 56 | — | — | — |
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.
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