DC Slim Collet Chuck Extension Adaptor

This extension adaptor another kind of extension tool holder rod, which works with DC slim collet, no need collet nut. The DC slim collet chuck is good to extend the reach of spindle tooling in CNC milling machines. It is also a good way for foam milling, as its long reach performance. There are ST12, 16, 20, 25, 32-series, also called AST12, 16, 20, 25, 32-series. Cylindrical Shank Of DC Slim Chuck Features: 1, Insert spring collet design, no need collet nut; reduce interference during machining, it is better for high speed precision milling, especially small molds making. 2, Extension holder for deep machining, increase the milling accuracy, extra deep, milling. 3, Reduce the cost for the cutting bits, and extend milling bits lifespan. 4, Slim collet chuck design, minium the interference of the workpiece and clamping system. 5, Runout: within 0.005mm 6, Material: 20CrMnTi