CAT 40 Standard Retention Knobs CAT40 RENTION KNOB: STANDARD:40RK-115-45 Fitz-Rite's internal standards ensure superior

Fitz-Rite's internal standards ensure superior spindle contact

Most sizes are available for same day shipment

also known as pull studs

Fitz-Rite end mill holders are precision ground to exceed industry standards

ER25 straight shank collet chuck extension are available with projections of 4

CAT 40 Standard Retention Knobs CAT40 RENTION KNOB: STANDARD:40RK-115-45 Fitz-Rite's internal standards ensure superiorRetention 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