R8 ER20 7/16 Inch Collet Chuck Holder CNC Milling Lathe R8 Arbor Spindle Tool Holder

100% Brand New. R8 shank Holding all ER20 collets. Straight shank type extended handle, the handle body was longer, applicable to deep hole processing, resolve to extend the depth of processing needs. The nut can direct rotation tighten, high rigidity and strong clamping force. There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. If you do not understand what you can contact customer service at any time, I you a happy shopping.

Material: 40cr (chrome molybdenum alloy steel) Brand: colorparts2016