1PCS CAT40 ER20 4″ Collet Chuck Tool Holder G2.5 25000rpm

1PCS  CAT40 ER20 4″  Collet Chuck Tool Holder

Finishing & Rough Cutting:– High-Speed Cutting (G2.5 25000rpm) Balance Available

Precision: Runout: TIR  3μm or 0.00015 ”    For all ER20 collets

Hardened: HRC58  / Gage length: 4 ” / Rear Thread:5/8-11

SHIP 1-3 DAYS PRIORITY USPS