Standard: HB 3
Available sizes: 10 to 8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 10 | 16 | 2X79、2X79B | HB3-28-105 | 1HB3-25GD25 | 1HB3-25FD25 | 1HB3-25LB25、1HB3-25LB25YZ |
| 12 | 16 | 2X86、2X86B | HB3-28-125 | 1HB3-25GD28 | 1HB3-25FD28 | 1HB3-25LB28、1HB3-25LB28YZ |
| 3 | 14.6 | 1X16、1X16B | HB3-28-15 | 1HB3-25GD5 | 1HB3-25FD5 | 1HB3-25LB5、1HB3-25LB5YZ |
| 4 | 14.6 | 1X23、1X23B | HB3-28-50 | 1HB3-25GD7.5 | 1HB3-25FD7.5 |
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.
| 1HB3-25LB7.5、1HB3-25LB7.5YZ |
| 5 | 14.6 | 1X36、1X36B | HB3-28-70 | 1HB3-25GD11.5 | 1HB3-25FD11.5 | 1HB3-25LB11.5、1HB3-25LB11.5YZ |
| 6 | 14.6 | 1X50、1X50B | HB3-28-80 | 1HB3-25GD15.5 | 1HB3-25FD15.5 | 1HB3-25LB15.5、1HB3-25LB15.5YZ |
| 8 | 16 | 2X65、2X65B | HB3-28-90 | 1HB3-25GD21 | 1HB3-25FD21 | 1HB3-25LB21、1HB3-25LB21YZ |
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