Standard: ABMA 8.2 - 1999
Available sizes: TW-100 / WH-00 to TW-105 / WH-05 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TW-100 / WH-00 | 0.484 | 0.046 | 0.032 | 0.407 | 0.217 | 0.499 | 0.749 | 0.031 | 0.120 | 1.031 | 0.120 |
| TW-101 / WH-01 | 0.679 | 0.063 | 0.048 | 0.563 | 0.317 | 0.694 |
| 0.968 |
| 0.031 |
| 0.120 |
| 1.344 |
| 0.120 |
| TW-102 / WH-02 | 0.989 | 0.067 | 0.052 | 0.876 | 0.469 | 1.009 | 1.311 | 0.047 | 0.166 | 1.703 | 0.176 |
| TW-103 / WH-03 | 1.333 | 0.067 | 0.052 | 1.189 | 0.630 | 1.353 | 1.843 | 0.047 | 0.166 | 2.234 | 0.176 |
| TW-104 / WH-04 | 1.583 | 0.077 | 0.062 | 1.439 | 0.747 | 1.603 | 2.030 | 0.047 | 0.234 | 2.484 | 0.290 |
| TW-105 / WH-05 | 1.792 | 0.077 | 0.062 | 1.657 | 0.853 | 1.817 | 2.311 | 0.062 | 0.234 | 2.719 | 0.290 |
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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