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Item No. Length Ø Chip flute length
70 mm
2,5 - 3,4 mm
39 mm
80 mm
3,3 - 4,5 mm
47 mm
93 mm
4,2 - 5,5 mm
57 mm
101 mm
5,0 - 6,6 mm
63 mm
125 mm
6,8 - 9,0 mm
81 mm
142 mm
8,5 - 11,0 mm
94 mm
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HSS Multi-Fiber Stepped Drill Bit DIN 8378 RN-middle 90°

Multicut step drill with cylindrical shank to drill core holes according to DIN 336 part 1, whereby, at the same time, free cuts (90°) fitting the through hole - medium version - according to ISO 273 are produced. The cutting speed conforms to the big diameter, the feeding rate to the smal one.

Technical specifications

EAN9009258346923
for thread3 M
Length70 mm
Length of steps8,8 mm
Chip flute length39 mm
Ø2,5 - 3,4 mm
Packing unit1 piece