Drills & Reamers


CJT pioneered coolant fed tools and along with our non-coolant fed tools, our superior line-up of solid carbide and carbide tipped drills and reamers deliver your lowest cost per hole option in the industry. CJT is ISO 9001:2015


Standards include:

• Extensive selection of diameter/length


• Straight and angled flute designs

• A variety of coatings matched to your


• Specials made to print


> Drills

> Reamers

> Drills & Reamers information

End Mills


CJT solid carbide and carbide tipped end mills are designed to deliver maximum performance.  Our extensive line of standards delivers superior results for applications such as profiling, slotting, contouring, etc.


Standards include:

• Regular, long, extra long and snub lengths

• Multiple flute and helical designs

• A variety of coatings matched to your


• Specials made to print

> Solid Carbide End Mills

> Carbide-Tipped End Mills

> End Mills information

PCD Tooling


Today’s high tech machining can benefit from utilizing PCD tooling.  PCD and PCBN enable a

2X - 3X increase of machining speeds while outlasting solid carbide tools 50- 100 times.  Manufactured by Genham, a wholly owned subsidiary of CJT Koolcarb, users of our PCD tooling can expect the following:


• Superior hardness and wear resistance

• High thermal conductivity

• Reduced tooling cost per part

• Improved product quality and machine uptime


> Genham website



Special Tools

Lengths, Flutes, Coatings & Step Tools

Product Selection Guide

Looking for the perfect tool for your upcoming job? Try out our easy-to-use Product Selection Guide, and find the right tool for your needs.

> more

Download Catalog

The CJT catalog is a great place to start to find out more about our tools. Just download the catalog, and call us!

> download catalog

Tool Sharpening

CJT Koolcarb has decades of experience restoring your tools and giving them new life. Make your tool new again.

> more

CJT KOOLCARB Inc. 494 Mission Street Carol Stream, IL 60188 USA • Outside IL Call: 800.323.2299 • Ph: 630.690.5933 • Fx: 630.690.6355 • e-mail: info@cjtkoolcarb.com