Solid Carbide 6 Teeth Hollow Bushing CNC External Hexagon Sleeve for Mold Punching Custom Machining

  • Made of high hardness solid carbide, excellent wear resistance and long service life for heavy punching work.
  • Precision ground external six teeth structure, high concentricity, stable fit with punch pin.
  • Hollow inner hole design, reduce friction and improve chip removal during high speed stamping.
  • Smooth surface coating, anti adhesion, reduce workpiece scratch and extend mold cycle time.
  • Strict dimensional tolerance control, widely used in progressive die and hardware stamping mold.
  • Support custom size and tooth profile according to customer drawings, full inspection before shipment.