Standard: IS 5372 - 1975
Available sizes: (24) to 26 (6 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| (24) | 75 | M36 | 75 | 4 | 11.9 |
| 11 | 26 | M12 | 30 | 2.5 | 5.7 |
| 14 | 40 | M20 | 44 | 3.5 | 8.1 |
| 18 | 56 | M24 | 56 | 4 | 9.9 |
| 22 | 62 | M30 | 62 | 4 | 10.5 |
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.
| 26 |
| 80 |
| M39 |
| 80 |
| 4 |
| 12.4 |
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