OLICNC® High Quality Bt40 CNC Milling Sdc Collet DC06 DC08 DC12 Collet Tool Holder

CNC BT40 DC06 DCD8 DC12 Collet chuck back pull holders  1. Using high-quality raw materials 40Cr, HRC58-60 2. The surface is precision ground ,runout 0.005mm 3. The tool holder is through-hole, which is better for water to get through and anti-vibrant. 4.The nut has preinstalled Dynamic balancing design, so it can be used for RPM25,000. 5.The related pull studs also through-hole , easy to change the collets