High Quality BT30 Tool Holders 

BT30-ER25-70  Collet Chuck CNC Machine Tool Holder BT ER Collet Chuck: Mainly used for clamping of straight shank tools and tools such as drills, milling cutters and taps. BT ER Tool Holders Spring chuck model: divided into ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50. ChongDe is a manufacture in R&D,production,sales and services with ISO9001 certificate.The main products are precision tool holder,clamping collet,pull stud,nut,spanner and other machine tool accessories with the standards of ISO,DIN,ANSI/ASME,JIS and local GB,etc. Attaching importance to the reserch and products,we employs many experienced and skilled technicians,so that precision machining can be made according to samples or drawings. We are specialized in researching,producing and developing many kinds of collets,CNC Machine Tool Holder, ER nuts,ER spanners,machine vises,fasteners etc. With high quality and full varieties. Surface roughness is reduce…

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