Custom Corner Chamfer Keyseat Cutters

keyseat cutter corner radius drawing

The corner radius keyseat cutter is a special tool designed for machining T-slots with a fillet transition, featuring an R angle at the end of the cutting edge. This allows for a smooth connection between the side of the slot body and the side. Compared with the traditional right-angle T-mill, it reduces stress concentration and improves the structural strength of the workpiece, making it suitable for high-precision and high-load applications.

Cutting Diameter + Cutting Length + Shank Diameter + Overall Length
corner radius keyseat end mill

Custom Corner Radius Keyseat Cutters Reference

Keyseat cutters slot parameter matching:

Slot width: The width of the tool needs to be equal to the width of the bottom of the T-slot (e.g., when machining 8 mm wide slots, use an 8 mm wide keyseat milling cutter).

Pick the coating according to the material to be processed:

  • Steel / cast iron: TiAlN coating (wear-resistant, high-temperature resistant).
  • Stainless steel: TiCN coating (anti-sticky chips).
  • Aluminum: Uncoated or nano-coated (reduces coefficient of friction).

Roughing: Choose 2-3 flutes (fast chip removal). Finishing: Choose 3-4 flutes or multiple flutes (high surface finish).

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