MEGA-Step-Drill-Steel-Plus

Diameter d1 (mm)

5.55

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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.

Material suitability

Technical specifications

Sink angle
90   °
Product class
Performance-Line  
d1
5.55   mm
d2
8   mm
d3
8   mm
l1
79   mm
l2
34   mm

l3

16.5   mm
l4
36   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