1PC HRC55 3MM 4MM 5MM 6MM 8MM 10MM 90 Degree Spot Drill Bit for Machining Hole Drill Chamfering Tools Tungsten Carbide Steel

1PC HRC55 3MM 4MM 5MM 6MM 8MM 10MM 90 Degree Spot Drill Bit for Machining Hole Drill Chamfering Tools Tungsten Carbide Steel

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