Hardware & Tools
Structural Steel Large Hexagon Bolt
Certifications
GB/T 1228GB/T 1229GB/T 1230GB 50205-2001
Description
This product is a heavy-duty high-strength large hexagon bolt connection pair for steel structures, including bolt, nut, and washer, conforming to Chinese standard GB/T1228～1231. Suitable for friction-type connections in long-span bridges, high-rise buildings, power plant boiler steel structures, etc.
Specifications
| Pitch P | 1.75, 2, 2.5, 2.5, 3, 3, 3.5 |
| Material | 20MnTiB, 35VB |
| Performance Grade | 10.9S, 8.8S |
| Thread Specification | M12, M16, M20, M22, M24, M27, M30 |
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