CAT 50 Standard Retention Knobs CAT 40 Adapter 50 standards and precision ground

50 standards and precision ground to meet AT-3 tolerance

Purchase separately or in a set for a discounted price

All standard sizes available to ship same day

We are also able to manufacture special designs specific to your drawings

Fitz-Rite's internal standards ensure superior spindle contact

CAT 50 Standard Retention Knobs CAT 40 Adapter 50 standards and precision groundRetention knobs, also known as pull studs, allows you to mount a tool holder to the machine spindle. Using a low quality retention knob can lead to poor tool life and run out, which is all of our retention knobs have threads that are rolled for strength and durability. We have standard style knobs for most machines in stock, as well as coolant thru and many special designs available and able to be shipped out same day. We are also able to manufacture