Standard: DL /T 1236
Available sizes: M20 to M48 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M20 | 3 | 36 | 35 | 39.55 | 21.5 | 20.2 |
| M24 | 3.5 | 46 | 45 | 50.85 | 25.6 | 24.3 |
| M27 | 4.5 | 65 | 63.1 | 71.3 | 34 | 32.4 |
| M30 | 5.5 | 85 | 82.8 | 93.56 | 45 | 43.4 |
| M36 |
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.
| 6 |
| 105 |
| 102.8 |
| 116.66 |
| 57 |
| 55.1 |
| M42 | 6 | 130 | 127.5 | 144.07 | 72 | 70.1 |
| M48 | 6 | 145 | 142.5 | 161.02 | 80 | 78.1 |
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