... standard. IGESHI brand R8 drill chuck without keyless Specification:1. We have series good clamping drill chuck withour key,such as ... BT,NT,CAT etc.2. The precision can reach from 0.03mm with ... t0 200mm .5. Applied for end mill,drill bits,drill reamers taps and can clamp any straight cutters ... ,that will be appreciated!!! IGESHI brand R8 drill chuck without keyless