Phone: 860-828-9703
Fax: 860-828-9573

Please visit: SUPERMILL

Mailing Address:
56 Willow Brook Drive
Berlin, CT 06037 US

A Special Message from SUPERMILL

SUPERMILL  Ultra Performance Carbide End Mills


Carbide End Mills Designed for Maximum Productivity When Machining Difficult Materials

The SUPERMILL brand offers end mills designed for optimum machining of Titanium Alloys, Steel Alloys and Stainless Steels and other popular materials. With our wide range of tool styles and material capabilities users in Aerospace, Automotive, Defense, Medical, Oil & Gas and Firearms industries count on SUPERMILL to deliver the peformance needed when it truly matters.


Browse the New SUPERMILL Catalog.
Browse the New SUPERMILL Catalog.

SUPERMILL. When Performance Matters

Check out our new SUPERMILL catalog for our Ultra Performance, High Performance and All Purpose carbide end mills. Our Series Selector reference chart makes it easy to use the right tool for your application. Select the Material Group and Examples for the precise end mill for Finish Cuts, Medium D.O.C., Heavy D.O.C, Slotting, Facing, Circular Interpolation and HighFeed/High Speed Machining (HSM). Also shown are Cutting Parameters, Index by EDP Number and SFM to RPM Conversion Charts. Online ordering is fast and easy. Or contact us today.  

Product Categories of SUPERMILL

  • End Mills

Trade Names

  • Supermill

Deep Links

As seen in MMS

Carbide End Mills for Titanium, Steel, Stainless Alloys
Supermill offers its XPV and XPVS series of carbide end mills for roughing or finishing difficult materials, featuring a four-flute, variable-pitch and helix design.

Supermill Full Line Catalog
Primary Cutter’s Supermill catalog features high-performance carbide end mills with an extensive offering of radius sizes and diameters.

End Mills Feature Corner Radius
 Primary Cutter’s Supermill All-Purpose line of carbide end mills features a corner radius designed to meet stringent application demands and provide increased tool life.

Expanded End Mill Line
Primary Cutter’s expanded Supermill-XP end mill line is available in chamfer, corner- radius and sharp-corner styles, as well as in regular, stub, long and extra-long lengths. The variable-pitch end mills feature a four-flute design and a 45-degree helix angle.