Reference of front cutting-edge profile of center drill bit/chamfer drill bit/profile drill bit
Type of material£ºSKH4C/SKH55A/SKH57A/ASP60C/K10/HRF10/MR11/PR40/VRA201/VWA441/VWA431
 
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¡ïFor customize, please refer to the above figures, meanwhile, the material & finished-product drawing of the tooling should be confirmed
  before manufacturing. Finishedproduct drawing of work piece, rough drawing, hardness HRC, operating conditions of equipment (value) and
  all requirements on size, tolerance and samples etc.