1.R8 Shank ER Collet End Mill Chuck are made of high quality steel material, with hardness of HRC48-55. We produce all size of R8 Mill Chucks including R8 ER16 ER32 ER40 Mill Chuck series. We have exported to humorous countries, and establish good cooperate relationship. We also manufactures kinds of CNC machine tool accessories including collet chucks, pull studs, retention knob, spanner and wrench and other related products.
2.proove cleanness,precsion more stable ,surface more smooth,feel more comfortable and appearance nicer. Chuck surface is coated ,the layer is evenly ,Chemical plating solution dispersion degree of almost 100%,nickel layer is thin .This special coating can reduce Spindle abnormal wear and tear.Don't influence precision .
3.We are specializing in the production of this, we can to figure to sample processing, and perfect after-sales service and technical support. Looking forward to your cooperation!