Hexagon Punch for Cold Forming

  • Material: High Speed Steel M1 with heat treatment 62-64 HRC
  • Dimensions: R0.165+/-0.038xR0.635+0.127xΦ11.9253-0.0127xΦ13.1×30.74mm
  • Processing Procudures: Rough Turning→ Heat Treatment→ Centerless Grinding→ Mirror EDM→ Face Grinding→ Fine Polishing
  • Processing Difficulties: Mirror EDM on the top
  • Measuring methods: 2D Measurement Machine, Micrometer Capllier and Calliper
  • Application: Forming screw in fastening industry