Replaceable head drill body HYDRA with DIN 6535HE NC whistle notch shank, size 1.11/64" with an overall length of 245mm and flute length of 162mm according to DORMER standard for 5xD drilling with HYDRA P (R950), HYDRA M (R960) or HYDRA K (R970) diameter 1.1406 (1.9/64) up to 1.1719" (1.11/64)
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