Collet Chucks COLLET CHUCKS Centaur offers the widest array of collet chucks and collet extensions available. Centaur offers collet chucks to accept RD/ER, RDG/TG, RDA/DA, RDF/AF and RDA/DA collet styles. Available in the following shank styles: - V-FLANGE - BT - NMTB and ISO - R8 - MT - STRAIGHT SHANK Master tooling sets complete with collets, chuck and wrench in a wooden box are available. COLLET EXTENSIONS Centaur manufactures so many collet extension holders, to bring the cutting tool to the workpiece where ever it is. No wonder companies everywhere have turned to Centaur for tooling solutions for their most unusual applications. Collet extensions are available for the following collet series: - RD/ER - RDA/DA - RDF/AF