Tritan-Step-Drill-Steel

  • Product image Tritan-Step-Drill-Steel
  • Technical drawing Tritan-Step-Drill-Steel

Diameter d1 (mm)

9.1

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31073438

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Product description

The three-edged step drill Tritan-Step-Drill-Steel has been specially developed for producing thread core holes according to DIN 8378. With its three cutting edges, it ensures precise machining without oscillations, allows for higher feed rates, enables fast chip removal, and stands out with its exceptionally long tool life.

Material suitability

Technical specifications

Sink angle
90   °
Product class
Expert-Line  
d1
9.1   mm
d2
12   mm
d3
11   mm
l1
102   mm
l2
55   mm

l3

25.5   mm
l4
45   mm
Cooling
internal cooling  
Number of cutting edges (z)
3  
Bore tolerance
≥ IT 9  
Shank tolerance
h6  
tip angle
145   °
Shank type
HA  
Material group
R8