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 rapid removal of hot chips. Dissipates heat better for increased 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 10.5 working length 87 total length 133 Contents 1
