2Pcs/Set ER-25 15mm Spring Collet Chuck Milling Tool Bits Holder for Lathe Machine (ER-25 15mm)

ER25 Size:15mm Spring Clamping Range:14-15mm(Grip Range).Workpiece Dia.Tolerance:0.008mm(0.0003 ) High-quality spring steel materia endurable and long life Good flexibility and abrasion resistance tight and stable clamping Great tightly grip for round-shank tool bits in milling machines. Package:2Pcs ER25-15mm Collet Chuck SERIES:ER-25 PRODUCT DETAILS: T.I.R.:0.008mm(0.0003 ) ER25-2 Collet Range:14-15mm Collet DiameterI(Max. Body Dia):26mm(1.03 ) Collet Length:34mm(1.38 ) 1.Made of special elastic steel:65Mn. 2.Used for boring milling drilling tapping grinding and engraving operation etc. 3.Difference size for customer to choose compatible with DR RD ESX AR BR series collets. 4.Significantly improve the wear resistance repeated clamping life can be increased by 50%.