Accuracy: 0.001mm. Resolution: 0.001mm. Accuracy: ± 0.003mm. Accuracy: ± 0.004mm. 1PC 3Flutes Countersink Drill Bits 20.5/25/30mm 90 Degree HSS Chamfering Cutter. 6mm-100mm Diamond Hole Saw Cutter Drill Bit Set for Tile Glass Ceramic Marble.
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