1/5/7PCS M3-M16 HSS Counterbore End Mill 4Flute Pilot Slotting Tool for Milling. 2.Wear-resisting and Not easy to stick milling cutter. High quality material of tungsten steel. Shank: 3.175mm. 6mm-100mm Diamond Hole Saw Cutter Drill Bit Set for Tile Glass Ceramic Marble.
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