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ATORN SC TiAlSiN HPC hard drill 3xD Ø 7.7 mm x 8 mm x 79 mm HA external

ATORN SC TiAlSiN HPC hard drill 3xD Ø 7.7 mm x 8 mm x 79 mm HA external

ATORN SC TiAlSiN HPC hard drill 3xD Ø 7.7 mm x 8 mm x 79 mm HA external
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Item no: 1011071 377 

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Available in 5-7 working days.

Application
for HPC boring up to 65 HRC

Execution
  • 2 drill heels
  • 30° spiral angle
  • Convex main cutting edge

Advantage
  • high centring accuracy
  • special coating for drilling hardened steels up to 65 HRC
  • extremely hard, low-friction and temperature-resistant TiAlN coating for longer service life
  • Reinforced core with special tip and cutting chisel edge
  • No internal coolant feed for higher stability


Brand: ATORN
Material to be processed: Hard material | Cast metal | Steel
Cutting edge diameter: 7,7 mm
Tolerance of cutting edge diameter: h7
Cutting material: SC
Surface: TiAlSiN
Max. drilling depth (D): 3xD
Type: HPC HARD
Coolant supply: External
Tool holding device: HA parallel shank
Angle of the tip: 140 Degree
Shank diameter: 8 mm
Chip flute length: 41 mm
Length: 79 mm
f hard 65 HRC: 0,07 mm/r
DIN: 6537

ATORN-No.: 10912900

EAN no.: 4050293453645

Product Datasheet Datasheet cutting values
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