MICRO-Step-Drill-Steel
Diameter d1 (mm)
1.1
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The double-edged step drill MICRO-Step-Drill-Steel was specifically developed as a pilot drill for MICRO-Deep-Drill. Its countersinking step ensures optimal entry of the subsequent deep drill, delivering the best process results in combination with the MICRO-Deep-Drill.
Technical specifications
- Product class
- Performance-Line
- d1
- 1.1 mm
- d2
- 3 mm
- d3
- 1.65 mm
- l1
- 50 mm
- l2
- 7.9 mm
-
l3
- 3.3 mm
- l4
- 37.5 mm
- Cooling
- internal cooling
- Number of cutting edges (z)
- 2
- Bore tolerance
- ≥ IT 9
- Shank tolerance
- h6
- tip angle
- 142 °
- Shank type
- HA
- Material group
- MH
Downloads
- Technical drawing in dxf
- 31080871_607896650-000-01-ED1.DXF
- Technical drawing in pdf
- 31080871_607896650-000-01-ED1.PDF
- Technical drawing in tif
- 31080871_607896650-000-01-ED1.TIF
- 3D envelope in stp
- 31080871_607896651-000-01-E43.STP