Cobalt alloy and fully ground HSS provide wear resistance and heat protection. Its cylindrical shank is compatible with three-jaw drill chucks. Contains the following sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm.
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