| Material: | High Strength Steel |
|---|---|
| Type: | Hexagon Head |
| Connection: | Common Bolt |
| Head Style: | Hexagonal |
| Standard: | DIN, ANSI, GB, JIS, BSW, GOST, Customized |
| Grade: | 9.8 |
| Samples: |
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| Customization: |
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| Type: | Fit Bolt |
| Definition: | A fitting bolt (centering bolt) is used to compensate for pitch differences. Fitting bolts we offer in various sizes. The shaft here has a very precise diameter and strict tolerance. Often according to F9 or H8, the bolt fits perfectly. The material used is usually carbon steel. |
| Description: |
Fitted bolts are interference fit bolts. Normal bolts when tightened are liable to reduction in their cross sectional area. But this reduction in diameter may shear off the bolt where large torque is transmitted. In a fitted bolt, the holes are initially drilled to undersize and are reamed in the assembling place before the bolts are tightened in place. Accuracy is required in the machining. |
| Application: | These bolts could be of two types one having a slight taper of about 1:100 on diameter and the other having a large taper of about 1:15 on diameter. However, the holes in either case are reamed in final place. |
| Others: | Sometimes an oversized bolt is stretched hydraulically reducing the bolt diameter. When tightened down and the hydraulic pressure is released the final exact fit in the bolt hole is achieved, like a pilgrim nut on coupling shafts. |
| Feel Free to contact us if you have any questions. | |
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