Cutting Tool Service

Your source for gear cutting tool maintenance, service, and general engineering.

Expert sharpening, stripping, recoating, and overall superior maintenance of hobs, milling cutters, and shaper cutters to provide you with the right tools, right when you need them.

Our tool services take your gear manufacturing capabilities to the next level, as we offer hob stocking programs and dedicated application engineering for unparalleled tool design and delivery in the industry.

Precision gear tool service.

We offer premium, efficient services for every type of gear manufacturing tool.


  • Premium, efficient sharpening of straight-gash hobs and spur shaper cutters
  • HSS or carbide
  • Up to 0.005″ stock removal
  • Expert inspection and quality control for every type of tool
  • 3-5 day turnaround

Submit a tool sharpening RFQ.



  • Expert premium recoating and stripping by Oerlikon Balzers or Eifeler Coatings
  • HSS or carbide
  • TiN AlCrN, TiAlN, and other advanced coatings for up to +30% tool life improvement
  • 3-5 day turnaround

Submit a tool sharpening RFQ.

Full Analysis

  • Full analytical inspection on dedicated CNC gear tool measuring machine
  • Graphical certification of gash lead, tooth rake, gash spacing, tooth spacing, and more
  • AGMA and DIN certification
  • +$50 setup charge for new tools

Submit a tool sharpening RFQ.

*Tools are sharpened in 3–5 days with rush options available. We offer pickup and hand-delivery within 100 miles of South Elgin, IL (e.g. Chicagoland, Milwaukee, Rockford). Discounts are available for large volume orders. Large or unique tools are subject to additional charges.

Precision Inspection

Our engineering team employs a PGM 165 Gear Measurement System to execute CNC analytical inspection of each prototype and pre-production part, ensuring full qualification of each tool and a return to original tool quality after sharpening.

Submit a tool RFQ.

CNC Hob Sharpening

We sharpen each gear tool on KFS CNC gear tool sharpening machines to provide the highest quality grinding with premium components, rigidity, and expertly designed software.

Submit a tool RFQ.


Large or small, bore- or shank-type, HSS or carbide, straight- or helical-gash — we can sharpen nearly any gear cutting tool including hobs, milling cutters, and shaper cutters.

Submit a tool RFQ.


  • Sharpening up to AGMA AAA quality
  • Maintenance of original tool quality and capability
  • Koepfer craftsmanship legacy from our South Elgin, IL facility
  • Wet grinding with free-cutting CBN and diamond wheels eliminating micro cracking caused by excessive heat and providing excellent surface finish
  • Certification available to AGMA or DIN specifications using our state-of-the-art Penta Gear Metrology CNC inspection machine


  • High speed steel or carbide materials
  • CNC crown dressing of vitrified wheels for helical gash hobs
  • Straight gash, helical gash, or shank type tools up to 35 degrees of gash lead
  • Capacity of 10.000 in diameter and 12.000 in length
    Shaper cutter sharpening up to 8.000 in diameter
  • AlCrN, TiAlN, or other advanced coatings available
  • Optional stripping of high speed steel and carbide tools
  • Rush service and hand pickup/delivery available

Need help? That’s why we’re here!

Our engineering team is on-call during CST business hours to keep your operations running smoothly.


For clearance specials, technology updates, and a download of our overview brochure.

You have Successfully Subscribed!