

5.具有自紧功能 ,轻轻夹紧钻头即可 ,在钻孔中随着扭距的增加而同步增加夹持力 ,并能产生明显的高强度夹持力 ,从而防钻头打滑 。
| 工厂编号 | 型号 | 夹持范围 mm | D1 | L1 | 尺寸 | |||
| L2 | L | D | ||||||
| 831120 | C20-13 | 1.0-13 | 1/32-1/2 | 51 | 143 | 155.5 | 60 | 20 |
| 841120 | C20-16 | 1.0-16 | 1/32-5/8 | 56.5 | 153 | 167.5 | 60 | 20 |
| 831119 | C25-13 | 1.0-13 | 1/32-1/2 | 51 | 162 | 174 | 80 | 25 |
| 841119 | C25-16 | 1.0-16 | 1/32-5/8 | 56.5 | 173 | 187.5 | 80 | 25 |
| 831118 | C32-13 | 1.0-13 | 1/32-1/2 | 51 | 162 | 174 | 80 | 32 |
| 841118 | C32-16 | 1.0-16 | 1/32-5/8 | 56.5 | 173 | 187.5 | 80 | 32 |
| 831117 | C42-13 | 1.0-13 | 1/32-1/2 | 51 | 162 | 174 | 80 | 42 |
| 841117 | C42-16 | 1.0-16 | 1/32-5/8 | 56.5 | 173 | 187.5 | 80 | 42 |
| 831122 | R8-13 | 1.0-13 | 1/32-1/2 | 51 | 183.5 | 195 | 102 | 31.75 |
| 841122 | R8-16 | 1.0-16 | 1/32-5/8 | 56.5 | 195 | 210 | 102 | 31.75 |