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Blind hole screw tap 45° for machining aluminium 2.5xD HSS-E/PM-CrN DIN 371 M8

Blind hole screw tap 45° for machining aluminium 2.5xD HSS-E/PM-CrN DIN 371 M8

Blind hole screw tap 45° for machining aluminium 2.5xD HSS-E/PM-CrN DIN 371 M8
Item no: 1014463 208 

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Available in 6-8 working days.

Application
- Metric thread
- Blind holes
- Max. drilling depth 2.5xD
- For long-chipping non-ferrous metals

Execution
  • Polished chip grooves for improved chip removal in long-chipping non-ferrous metals
  • Right-hand spiral grooves approx. 45°
  • DIN type C (2-3 chamfer threads)
  • Tolerance range 6H
  • HSSE-PM, CrN-coated


Brand: ATORN
Material to be processed: Aluminium
Thread type: Metric thread
Thread type x nominal diameter: M8
Tolerance of screw taps (Tol.): 6H
Hole type: Blind hole ≤ 2.5xD
Lead angle shape: C
Length: 90 mm
Cutting material: HSSE-PM
Surface: Chrome plated
Pitch: 1,25 mm
Twist angle: 45° (right)
DIN: 371
Shank diameter: 8 mm
Application type/machine type: CNC | Conventional
Core hole diameter: 6,80 mm
Coolant supply: External
Shank square: 6,2 mm
Cutting speed (steel 1000) suitability (ISO P 1000 N/mm²): 3
Cutting speed (steel 1300) suitability (ISO P 1300 N/mm²): 3
Overall stainless steel suitability (ISO M): 3
fitness not iron total (ISO N): 2
fitness Titan/Nickel/Super total (ISO S): 3
Cutting speed (cast) suitability (ISO K): 3
Cutting speed (hard 55) suitability (ISO H 55HRC): 3
Cutting speed (hard 65) suitability (ISO H 65HRC): 3

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