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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.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 7
working length 69
total length 109
Contents 5
