Tritan-Step-Drill-Steel

Diameter d1 (mm)

5.1

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31053658

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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: 5.1 mm
d2: 8 mm
d3: 6.6 mm
l1: 79 mm
l2: 41 mm
l3: 16.5 mm
l4: 36 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