Product description
- The chuck can hold the drill bit firmly and sturdy, not easy to loosen.
- Durable and has a long service life, suitable for long time working.
- Easy to install and dismantle, more practical and economical.
- Large collet sizes range from 2 to 13mm, suitable for many kinds of drill bits.
- The keyless and self-tightening type design is more in line with human engineering.
- Connection Size:1/2-20UNF