MICRO-Drill-Steel

  • Product image MICRO-Drill-Steel
  • Technical drawing MICRO-Drill-Steel

Diameter d1 (mm)

2.8

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Article

31238943

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Product description

The two-edged solid carbide drill MICRO-Drill-Steel is a specially designed drill for the precise machining of steel in the micro-range. It is distinguished by four lead  edges and a micro-geometry tailored to steel. The flute design with core taper ensures optimal chip removal, even with tough steel materials. Highest performance and tool life are guaranteed thanks to a new cutting material combination.

Material suitability

Technical specifications

Cutting material
HP246  
Product class
Performance-Line  
Drilling depth
12xD  
d1
2.8   mm
d2
3   mm
l1
85   mm
l2
50.4   mm
l3
33.6   mm
l4
28   mm
Cooling
internal cooling  
Number of cutting edges (z)
2  
Shank tolerance
h6  
Bore tolerance
≥ IT 9  
Shank type
HA  
Tip angle
142   °
Material group
R4

Downloads

Technical drawing in pdf
31238943_608098040-000-00-ED1.PDF
Technical drawing in tif
31238943_608098040-000-00-ED1.TIF
Technical drawing in dxf
31238943_608098040-000-00-ED1.DXF
3D envelope in stp
31238943_608098041-000-00-E43.STP
Brochure
31238943_MicroDrills_EN.pdf
Cutting data recommendations
31238943_MICRO-Drill-Steel_EN.pdf