Cylindrical shank style tension / compression tap collet holder.
- KSN 1 accomodates tap shank size range: M4 to M12 or No. 8 to 7/16"
- KSN 3 accomodates tap shank size range: M4 to M20 or No. 8 to 3/4"
- Pressure point release mechanism when the maximum axial force is exceeded
- Uses ER style collet
- HD - axial coolant fed design