Standard: IS 2232 - 1967
Available sizes: (M14) to M20 (5 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 21 | 4 | 13.9 | 4.5 | 21.65 | 20.35 | 27 | 26.16 | 15 | 4.8 |
| (M18) | 30 | 5 | 20.7 | 5.5 | 30.65 | 29.35 | 41 | 40 | 22 | 5.8 |
| M12 | 16 | 3.2 |
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.
| 9.9 |
| 3.5 |
| 16.55 |
| 15.45 |
| 22 |
| 21.16 |
| 11 |
| 3.8 |
| M16 | 26 | 5 | 16.9 | 5.5 | 26.65 | 25.35 | 32 | 31 | 18 | 5.8 |
| M20 | 35 | 6.3 | 24.7 | 7 | 35.8 | 34.2 | 50 | 49 | 26 | 7.36 |
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