6PCS HSS Chamfering End Mill 90 Degree 3 Flute Countersink Drill Bit Set

6PCS 90° Chamfer Countersink Drill Bit Set – HSS 3-Flute End Mill Cutters (6.3–20.5mm). ✔90° Chamfer & Countersink Design. ✔High-Speed Steel (HSS). ✔Round Shank. The90-degree tapered design combined with a3-flute cutting structure ensures clean chamfers, accurate hole finishing, and efficient chip removal.

eBay