Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides

ISO 20 ER Collet Toolholders (for Colombo spindle automatic tool changers, shipped with collet nuts and pull studs)

Part Number Description Reviews Price


ISO 20 x ER 16 - 52mm Ultra-precision Toolholder (incl. HS mini nut & stud)..