Internal Tool Single A Ru-312-3 Runner Cutter, Go-To Pick for Machinists and CNC Shops, Pro Grade Milling Cutter for Clean, Accurate Cuts, Sharp Cutter for Slotting, Chamfering and Profiling

Regular price $166.38
Product ID: 1242-7989
UPC:





Internal Tool Single A Ru-312-3 Runner Cutter
✔️ Single runner cutter, 312-3, Clean Accurate Cuts, Long Tool Life

This Internal Tool A Ru-312-3 Runner Cutter is a milling cutter for cutting slots, keyways, chamfers, dovetails and profiles on a mill. It's a staple in machine shops, tool rooms and production cells. This is a single piece listing.

✅ Brand: Internal Tool
✅ Mfr part number: 61-1650
✅ Product type: Runner Cutter
✅ Pack size: Single, 1 piece
✅ Thread size: 312-3

💡 How do I pick the right milling cutter?

Match the cutter shape and material to the job.

  • Pick the profile first, like slot, chamfer or face.
  • Carbide runs faster, HSS and cobalt are tougher on manual mills.
  • Check shank size and arbor fit for your machine.

Pick up the Internal Tool A Ru-312-3 Runner Cutter and keep your jobs moving.

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