Pilot Step Drill

  • Norm:accord with NAS937、NAS965
  • Application:Apply in machining special material of aerospace industry.
  • Material: in - HSS-CO4 & Carbide
  • coating:DLC or uncoated
  • Type:We BW produce aviation pilot drill series, including pilot step drill,pneumatic step drill, and double margin pneumatic step drill, made by high speed steel and carbide with diamond coating material.

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