High Precision Collet Chuck DIN6499 BT40 ER20

Brief introduction:BT ER Collet Chuck DIN6499 High Speed CNC Toolholder,Mechanical spindle and cutting tools and other accessories.High Precision BT shank Tool Holder ,balanced G6.3 or G2.5 For choose,With DIN6499 collet chuck can be straight shank cutter clamping various sizes BT Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly BT30 BT40 BT50... Etc.. Mold industry, and high-speed engraving machine, used more. all specification, quick delivery,  good quality, ISO9001/2000certification  Specifications:Materail: 20CrMnTiTaper tolerance: