- Pull studs, also called retention knobs, are used for connecting tool holders to the machine’s drawbar
- RR Brand CAT40 Pull stud used for CAT40 Tool Holders
- Available with or without through coolant
- Made of special high-grade steel with proper heat treatment for higher rigidity
- Pull studs of high quality not only increases the performance of the machine but also safety. A breaking pull stud might cause severe damage on machine and workpiece, and might injure the operator