MCQOPTIONS
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| 1. |
The angle of chamfering for the hexagonal nut with the base is ________ |
| A. | 30° to 45° |
| B. | 50° to 65° |
| C. | 10° to 25° |
| D. | 60° to 75° |
| Answer» B. 50° to 65° | |