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Blind hole screw tap M DIN 371 40° shape C 2xD HSS-E exposed teeth M8

Blind hole screw tap M DIN 371 40° shape C 2xD HSS-E exposed teeth M8

Blind hole screw tap M DIN 371 40° shape C 2xD HSS-E exposed teeth M8
Item no: 1014451 109 

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Application
- Particularly suitable for materials that tend to jam and thin-walled parts, since the reduced frictional resistance means there is no material deformation
- Metric thread
- Blind holes
- Max. drilling depth 2xD
- Steels up to 1,200 N/mm²

Execution
  • With offset teeth for reduced torque and improved distribution of the lubricant
  • Tolerance field 6H
  • DIN 371
  • Right-hand spiral flute approx. 40°
  • DIN chamfer shape C (2-3 turns)
  • HSS-E

Advantage
With offset teeth for reduced torque and improved distribution of the lubricant


Brand: LIZZARD
Material to be processed: Steel
Thread type x nominal diameter: M8
Max. thread depth: 2xD
Pitch: 1,25 mm
Cutting material: HSSE
Surface: Uncoated
Hole type: Blind hole ≤ 2xD
Tolerance of screw taps (Tol.): 6H
Lead angle shape: C
Length: 90 mm
Cutting edge length: 13 mm
Core hole diameter: 6,8 mm
Shank diameter: 8 mm
Shank square: 6,2 mm
Thread type: Metric thread
Twist angle: 40° (right)
DIN: 371
Coolant supply: External
Nominal diameter: 8 mm
Shank style: Cylindrical with square drive
Cutting direction: Right-hand cutting

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