Bitray 1/4" to 1/8" Collet Chuck Driver Adapter Engraving Bit Router Converter for Engraving Machine Tool, 6 PCS - Product Features
- Total length: 23mm/0.9\"; Diameter(Outer): 6.35mm/0.25\"; Diameter(Inner): 1.375mm/0.125\"
- Material: Spring steel material, extra long life, good flexibility and resistance to abrasion.
- Feature: Clamping force, high accuracy, good gripping stability
- Function: For CNC machine tool chuck conversion, conversion size: 6 to 4 mm
- Application: Commonly used in the engraving machine spindle motor folder knife, with the engraving machine collets use.