Description
The innovative core of the Thunderweb HSS drill has a conical design, which means it gets stronger towards the drill shaft, for a longer service life. The parabolic chip groove enables rapid chip removal for less heat development and a longer service life. Spiral geometry – Thunderweb spiral for faster removal of hot chips. Better heat distribution for a longer service life. 135 drill tip with cross grinding for precise drilling without punching. Polished surface for less friction and a longer service life. ABS cassette with additional soft grip to protect the corners. Withstands high contact pressure for greater resistance to breakage
diameter 9
working length 81
total length 125
Contents 5
