MEGA-Step-Drill-Steel-Plus
Diameter d1 (mm)
12.0
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31149650
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Product description
The double-edged step drill MEGA-Step-Drill-Steel-Plus was specifically developed to produce thread core holes according to DIN 8378. With optimized centering and two guide chamfers, the step drill achieves a significant increase in wear resistance and performance.
Technical specifications
- Sink angle
- 90 °
- Product class
- Performance-Line
- d1
- 12 mm
- d2
- 16 mm
- d3
- 16 mm
- l1
- 115 mm
- l2
- 65 mm
-
l3
- 34.5 mm
- l4
- 48 mm
- Cooling
- external cooling
- Number of cutting edges (z)
- 2
- Bore tolerance
- ≥ IT 9
- Shank tolerance
- h6
- tip angle
- 140 °
- Shank type
- HA
- Material group
- MH