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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Retention knobs sold separately
Manufactured in accordance with AISI / ASME B5
Stub arbors are keyed for positive drive and the face is perpendicular to the arbor within
Fitz-Rite end mill holders are precision ground to exceed industry standards
Most sizes are available for same day shipment
CAT 40 Standard Retention Knobs CAT40 RENTION KNOB: STANDARD:40RK-115-45 Retention knobs sold separatelyRetention 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