Standard: GB /T 5356 - 2008
Available sizes: 0.7 to 2.5 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 5356 |
| DIN | DIN ISO 2936 |
| ISO | ISO 2936 |
| UNI | UNI 6753 |
| ANSI | ANSI/ASME B 18.3.2M |
| Size | P | e | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|---|
| 0.7 | 0.89 | 11 | 33 | 31 | 0.88 | 0.99 | 0.96 |
| 0.9 | 1.5 | 15.5 | 46.5 | 44.5 | 1.48 | 1.68 | 1.63 |
| 1.3 | 2.5 | 20.5 | 58.5 | 54.5 | 2.46 | 2.82 | 2.75 |
| 1.5 |
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.
| 3.5 |
| 25.5 |
| 69.5 |
| 65.5 |
| 3.45 |
| 3.96 |
| 3.91 |
| 2 | 4.5 | 30.5 | 80 | 76 | 4.45 | 5.1 | 5.04 |
| 2.5 | 6 | 38 | 96 | 92 | 5.95 | 6.81 | 6.71 |
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