CAT40 ER20 COLLET CHUCK 2.5"(T.I.R. 0.0001)Balanced G2.5 x 30,000 RPM(USA Stock)

Description

CAT40 ER20 COLLET CHUCK 2.5
Taper to Taper Runout <0.0001"
AD+B coolant thru the spindle & flange
Balanced G2.5 @ 30,000 RPM
Hardened to 58-62 HRC
Taper Shank ground to AT3 accuracy(or better)
Stop Screw included
CAT40 Draw Bar Threads 5/8"-11