Standard: CNS 9072 - 1996
Available sizes: 30 to 44 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 30 | 1.12 | 29.8 | 29.4 | 1.02 | 3.25 | 36.7 | 2.98 | 3.1 | 3 |
| 32 | 1.12 | 34.4 | 34 | 1.02 | 3.25 | 41.3 | 3.36 | 3.1 | 3 |
| 35 |
| 1.12 |
| 39.4 |
| 38.9 |
| 1.02 |
| 3.25 |
| 46.3 |
| 3.75 |
| 3.1 |
| 3 |
| 37 | 1.12 | 44.2 | 43.7 | 1.02 | 4.4 | 52.7 | 5.3 | 4.25 | 4 |
| 40 | 1.12 | 49.3 | 48.8 | 1.02 | 4.4 | 57.9 | 5.92 | 4.25 | 4 |
| 42 | 1.12 | 53.2 | 52.4 | 1.02 | 4.4 | 61.7 | 6.45 | 4.25 | 4 |
| 44 | 1.7 | 59 | 58.2 | 1.6 | 4.4 | 67.7 | 10.5 | 4.25 | 4 |
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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