Using Drill Bits Properly Using Drill Bits Properly mskmillingtools.com Product NameCarbide Metal Roughing End Mill Cutter For SteelBrandMSKOriginTianjinMOQ5pcs per sizeSpot goodsyesCoatingTiSiNTypeFlat MillHRC55Blade length10 (mm)Flutes4 Specification No.Flute Diameter D