1. Solid carbide 30 degree 4mm HRC55 flat bottom engraving bits with tip radius 2. 1mm-25mm / 1/16" to 3/4 "- Metric or Inch 3. DIN 6539 Standard
Products specification
1. Drilling point for 140 degree 2. 5xd 3. Din standard 4. Chemical Composition: 10%Co-Wc 90 5. Raw Material: Super Micro grain with Diameter less than 0.2UM 6. International Industrial Standard: K05-K15, K20-K30, K20-K40 7. Application areas: Machining of cast iron, nonferrous alloy, chill cast iron, hard steel, stainless steel, plastic materials, fiberglass, carbon fiber and other non-metallic. 8. Served industries: Aerospace, Transportation, Medical Equipment, Military Manufacturing, Mold Development, etc.