6 Pics 1/4 to 1/8 Collet Chuck Driver Adapter 1/8 CNC Engraving Bit Router Converter for Engraving Lathe CNC Router Cutter Milling Bit

Used for chuck conversion of CNC machine tools conversion size: 6.35mm to 3.175mm . High precision suitable for drill tools and chucks of different specifications. 1/4 to 1/8 Engraving Bit Converter with high-precision clamping force and good clamping stability suitable for engraving machine tools often used for engraving machine spindle motor clamping tools Used with engraving machine chuck. . The CNC engraving drill bit adapter is made of spring steel which has a long life good flexibility and wear resistance.