Standard: ISO 2982
Available sizes: Tr220 to Tr320 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| Tr220 | 4 | 20 | 10 | 290 | 270 | 34 | 2 |
| Tr240 | 4 | 24 | 10 | 330 | 310 | 38 | 3 |
| Tr260 | 4 | 24 | 12 | 380 | 340 | 40 | 5 |
| Tr280 | 5 | 24 | 12 | 400 | 360 | 42 | 7 |
| Tr300 | 5 | 28 | 15 | 460 | 420 | 58 | 8 |
| Tr320 | 5 | 32 | 18 | 490 | 440 | 60 | 11 |
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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