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Item # 21003-90, Techniks CAT40 Precision Retention Knob - MAS-III - 90° 2.25" OAL

Original price was: $26.00.Current price is: $20.80.

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All mating surfaces precision ground

Manufactured to the highest standards for maximum safety and long life
Hardened for maximum longevity

Please make sure that the Retention Knob you order is the correct one for your machine. Using the wrong Retention Knob can cause damage to your machine spindle, the toolholder, and may create a safety hazard.
SPECIFICATIONS
ManufacturerTechniks
Degree90 Deg
Diameter (D1).590 in
Diameter (D2).394 in
Thread Size/Length5/8 - 11 in
Lengthl1 1.266 in / l2 .990 in
TypeCAT40-MAS-III