4Flute HSS M3-M16 Counterbore End Mill Pilot Slotting Tool Nano Blue Coated. Type: Tapered Ball Nose End Mill. 1PC/4PCS Tapered Ball Nose End Mill. Shank: 3.175mm (1/8"). Application: Aluminum, Hardwood, plastics, castings, copper, aluminum, titanium, nickel alloy, copper alloy, stainless steel mold, alloy steel, 45# steel.
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