ER-20 COLLET & DRILL CHUCK WITH JT33 SLEEVE (3903-6054)

ER20 Collet & Drill Chuck With JT33 Sleeve & Hex Nut Maximum RPM is 8,000. T.I.R. is Superior Finish. Precision ground & hardened for accuracy and precision. Superior to keyed and keyless drill chucks in concentricity and holding power. ER collet sleeves provide rigid & accurate holding of ID tooling. These collet sleeves feature ground shanks and tapers. They are compatible with standard Jacobs taper spindles. They can be used for coolant-thru applications. Shipping Weight: 0.5 lbs