What is the difference between a single-edged spiral milling cutter and a double-edged spiral milling cutter?

single-edged spiral milling cutter
single-edged spiral milling cutter

Single-edged milling cutters have low cutting efficiency because one blade is less at the same speed
But the surface finish is good, because a blade is definitely not pitted.
Double-edged milling cutters have high cutting efficiency, but the machining surface may be slightly worse due to the difference in cutting angle and cutting height between the two blades.

Single Flutes Sprial End Mill

Application :  Harder materials such as PVC, MDF, plywood, solid wood, etc.

Advantage:   Large chip removal, sharp edge, smooth cutting, high engraving speed and high efficiency .

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