Standard: CNS 8778 - 1982
Available sizes: 10 to 8 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 28736 |
| GB | GB /T 118 |
| DIN | DIN EN 28736 |
| ISO | ISO 8736 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 10 | 1.5 | M10 | 10.5 | 16 | 15.93 | 25 | 1.5 | 2 | 16 |
| 12 | 2 | M16 | 17 | 25 | 24.916 | 34 | 2 | 3 | 24 |
| 14 | 2.5 | M20 |
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.
| 21 |
| 40 |
| 39.9 |
| 42 |
| 2 |
| 5 |
| 30 |
| 16 | 3 | M24 | 25 | 50 | 49.9 | 50 | 2.5 | 6.3 | 36 |
| 6 | 0.8 | M5 | 5.3 | 8 | 7.942 | 12 | 1.2 | 1 | 8 |
| 8 | 1.25 | M8 | 8.4 | 12 | 11.93 | 20 | 1.2 | 1.6 | 12 |
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