Proto-Cutter, Inc. is a Manufacturer of Carbide-Tipped, Solid Carbide and High-Speed Steel Coolant-Fed Reamers in Standard and Special Designs for Precision Hole Finishing

Reamers & End Mills
Reamers & End Mills
  • Carbide-Tipped Coolant-Fed Reamers
  • Solid Carbide Coolant-Fed Reamers
  • High-Speed Steel Coolant-Fed Reamers
  • End Mills Solid Carbide Square Nose
  • End Mills Solid Carbide Ball Nose 
  • Carbide Roughing End Mills-Tough Cut End Mills
  • Single Blade Reamers & Toolsetters
  • Floating Reamer Holders & Accessories 
Custom Tooling
  • Reamers
  • Step Reamers
  • Form Tools
  • Profile Cutters
  • Special End Mills
  • Step Drills
  • Spot Weld Drills-8mm & 10mm
  • Double Margin Drills
  • Porting Tools
  • Key Cutters
  • Saws
  • Tapered & Radius Tooling

In 1991, Proto-Cutter, Inc. was established offering cutting tool re-sharpening. Since that time, we have more than tripled in size and manufacture several types of precision cutting tools. We offer high quality standards, superior customer service and fast lead times. Proto-Cutter has a full, in-house re-sharpening service for all your cutting tools. Whether you are looking for standard tooling or have an application that requires special tooling, we will be able to meet you tooling needs.

We thank you for visiting our web site and hope that you will learn more about us as you search our site. We grow as we have seen our customers grow!

Global markets served by Proto-Cutter, Inc. include: Automotive, Aerospace, Medical, Military, Agricultural and Screw/Swiss Machine companies, from large operations to small shops.

Application Guide Available Upon Request
(Profiles, Speeds/Feeds Chart)


pdf file Proto-Cutter Newsletter (pdf file - 535 kb)
pdf file Proto-Cutter Catalog (pdf file - .99 mb)