HSS Chamfering Tool Bit 3 Flute 90 Degree Countersink Drill Bit for Metal

Usage: used in the hole of the workpiece 90 degrees chamfer and taper. Material: HSS. 1pc HSS drill bit. Shank: round handle. You can complete cone processing for small amount of cutting machining. Size: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm.

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