Standard: IS 3063 - 1994
Available sizes: (3.5) to 4 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (3.5) | 8.1 | 0.3 | 0.5 | 2.85 | 3.15 | 8.5 | 14.8 | 1.9 | 2.1 | 3 | 2 |
| 2 | 2.3 | / | 0.1 | 0.9 | 1.1 | 2.6 | 4.8 | 0.5 | 0.7 | 1 | 0.6 |
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.
| 2.2 |
| 3.1 |
| 0.15 |
| 0.2 |
| 1.2 |
| 1.4 |
| 3.4 |
| 6.2 |
| 0.7 |
| 0.9 |
| 1.3 |
| 0.8 |
| 2.5 | 4.1 | 0.15 | 0.2 | 1.4 | 1.6 | 4.4 | 7.6 | 0.8 | 1 | 1.5 | 0.9 |
| 3 | 6.1 | 0.2 | 0.3 | 2.35 | 2.65 | 6.5 | 11.8 | 1.5 | 1.7 | 2.5 | 1.6 |
| 4 | 12.2 | 0.4 | 1 | 3.8 | 4.2 | 12.7 | 21.1 | 2.35 | 2.65 | 4 | 2.5 |
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