PRO-SERIES CAT40 ER-32 4″ Lenth Collet Chuck Milling Holder With Spanner Nut

Pro-Series High Speed, Balanced CAT 40 ER-32 Spring Collet Chuck with Spanner Nut
Balanced to 18,000 RPM
Tolerance is .0003″ Maximum
Made of 20CrMnTi alloy steel
Electrolysis nickel coating
4.00″ Gage Length
Superior Finish & Craftsmanship