CAT 40 Standard Retention Knobs CAT40 RENTION KNOB: STANDARD:40RK-115-45 Manufactured in accordance with AISI

Manufactured in accordance with AISI / ASME B5

Our ER32 collets have a capacity ranging from

Fitz-Rite's internal standards ensure superior spindle contact

0002 and most feature a non-slip knurled nose for safer handling

Most sizes are available for same day shipment

CAT 40 Standard Retention Knobs CAT40 RENTION KNOB: STANDARD:40RK-115-45 Manufactured in accordance with AISIRetention 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