4.5-50mmm 3 Flute Countersink Drill Bit Round Handle 90 degree Chamfer Cutter

Specification : 4.5mm、6.3mm、8.3mm、10.4mm、12.4mm、16.5mm、20.5mm、25mm、30mm、35mm、40mm、45mm、50mm。 Material: HSS（6542/M2） Shank: round handle Color: as picture shows Quantity: 1PC / 3 flute countersink drill Uses: used in the hole of the workpiece 90 degrees chamfer or taper.

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