Wokesi 4Pcs ER25 Clamping Range 11mm-12mm,Run Out Tolerance 0.0002",Spring Collet Set For CNC LatheA Machine Milling Chuck Holder Tool (ER25-12 11-12mm)

Description

ER-25 SERIES PRODUCT DETAILS: T.I.R.:0.005mm(0.0002")Wide holding range:1mm(.0394") ER25-12 Collet Range:11-12mm Collet Diameter:26mm Collet Length:34mm 1.Made of special elastic steel:65Mn.2.Used for boring,milling,drilling,tapping,grinding and engraving operation etc.