MEGA-Step-Drill-Steel-Plus

Diameter d1 (mm)

14.0

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31140999

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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
14   mm
d2
18   mm
d3
18   mm
l1
123   mm
l2
73   mm

l3

38.5   mm
l4
48   mm
Cooling
internal cooling  
Number of cutting edges (z)
2  
Bore tolerance
≥ IT 9  
Shank tolerance
h6  
tip angle
140   °
Shank type
HA  
Material group
MH