How about at 20,000 frames-per-second? I'm in the shop playing with a high speed camera, filming Online Carbide 1/4" 4FL variable helix end mill on mild steel with my AvidCNC Benchtop Pro.

Walter developed the T2711 and T2712 thread mills specifically for applications where it’s not worth it for end users to purchase expensive solid carbide threading tools, for example because their ...