4x12x6x50mm-17°/45°-3T 4mm, 3-cutting faces, 6mm shank, 45° helix angle, 17° front angle, uncoated sintered solid carbide center cutting flat end mill with 50mm overall length *new*

End mills are tools which have cutting teeth at one end, as well as on the sides. They are used for a variety of things including facing an edge, and cutting slots or channels.

End mill bit technical details:

• Dimensional specs:
  • Cutter diameter:
    • 4mm, flat end
  • Cutting length:
    • 12mm
  • Shank diameter:
    • 6mm
  • Overall length:
    • 50mm
  • Number of flutes:
    • 3x
  • Cutter helix angle
    • 45° RH (Right handed thread)
  • Front angle:
    • 17°
  • End cutting edge type:
    • Square end with center cutting (drilling)
• Material specs:
  • Material:
    • Solid sintered tungsten carbide (also known as cemented tungsten carbide)
  • WC (tungsten carbide):
    • 89.2...90.2% of total weight
  • Co (Cobalt binder agent):
    • 10/12% of total weight
  • Tungsten grain size:
    • 0.6µm
  • TRS (Transverse Rupture Strength), also known as RTS (Tear Resistance Strength):
    • ≥3500N/mm2
  • Hardness:
    • 91...92HRC (Rockwell scale C)
  • Density:
    • 14.2...14,5g/cm³
  • Coating:
    • Uncoated, good surface finish for smooth chip removal
• Recommend cut material:
  • Aluminium
  • Copper
  • Cast Aluminium
  • Aluminium alloy
  • PVC
  • Soft materials
• Recommended speed and feed rates:
  • Aluminium alloy:
    • 16000RPM 1750mm/min
  • Silicon aluminium alloy (Si ≤10%):
    • 13000RPM 1300mm/min
  • Speeds and feeds for side Milling and slot milling:
    • Reduce values by 40...70%
• Coolant use:
  • Use air coolant or high mist liquid cooling

Download various useful metalworking information for drilling, milling and turning