Description
The innovative core of the THUNDERWEB HSS drill has a conical design, meaning it gets stronger towards the drill shank for a longer tool life. The parabolic chip groove enables rapid chip removal for less heat development and a longer tool life. Spiral geometry – THUNDERWEB spiral for rapid removal of hot chips. Directs Heat dissipates better for longer service life. 135 drill tip with cross grinding for precise drilling without punching. Polished surface for less friction and 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 1
