| Handle structure | Blade diameter d | Blade length L1 | Total length L | Remarks |
|---|---|---|---|---|
| Straight handle | 2~20 | 15~80 | 60~150 | |
| Threaded handle | 2~8 | 15~25 | 25~55 |
Mainly used in the production of aerospace industry, machining centers, robots and other tools and equipment to process composite material holes