Drehbohrer HSS Bohrer Bits Wolframhartmetall Hartmetallbohrer Bits 3 mm - 16 mm
ab 1,75 €
4: The Number Of Revolutions Of The Electric Drill Should Be Between 800-1500, And The Effect Is Better. The Number Of Revolutions Should Not Be Too Large, Which Will Burn The Drill Bit And Cause Annealing.
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