Machine taper reamers

Catalog-No.
72741
  • for small batch productions and repairs
  • with taper 1:50 for the reaming of holes to suit taper pins
    to DIN 1, 258, 7977 and 7978
  • > Ø 4.00 mm with internal centres on both ends
  • ≤ Ø 4.00 mm with external centres on both ends
  • pre-drilling: cylindrical
  • with tang to DIN 1809
  • for tensile strengths up to a max. 1000 N/mm²
P M K N S H
ISO code

P Steel, high-alloyed steel
M Stainless steel
K Grey cast iron, spher, graphite/mall. cast iron
N Aluminium and other non-ferrous metals
S Special, super and titanium alloys
H Hardened steel and chilled cast iron
On the following programme pages you will find for every tool recommendations regarding suitability for the application groups and details of max. tensile strength and harness:
optimal suitability
limited suitability
  • For pre-machining we recommend taper pin drills article no. 531 and 532. However, the pre-drilled hole can also be cylindrical or stepped.
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