6.8mm Minor, 10mm Major, 21mm Step Length, 90 Degree Step Angle 3xD TiSiAlCrN/AlTiN Coated Carbide Subland Step Drill Bit product photo
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7mm Minor, 10mm Major, 21mm Step Length, 90 Degree Step Angle 3xD TiSiAlCrN/AlTiN Coated Carbide Subland Step Drill Bit product photo
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