Product Knowledge
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Round-hole or angled-hole countersink - how to choose?
It depends on the workpiece: for ordinary perpendicular hole edges, a round-hole countersink is enough - efficient and economical. For sloped, curved or irregular hole faces, use an angled-hole countersink (also called angled spot facer or angled spot drill) - its special edge design keeps cutting smooth on slopes for clean chamfers. Lihao Technology cobalt HSS countersinks handle both round and angled holes, covering the full 60-120 degree range with custom options.
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