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Thread Milling


Vargus offers the most comprehensive Thread Milling solutions in the industry.


Vargus' thread milling carbide metal cutting tool system has been recognized as the industry standard since its initial patented "trapezoidal" indexable system design was introduced. As CNC technology for milling threads races forward, and as thread milling becomes ever more popular as an excellent solution for manufacturing threads of many types, Vargus continues to offer new and updated solutions to the machining specialist.


Vargus MiTM - The FASTest Indexable Thread Milling Tool!


The NEW MITM thread mill is designed to reduce cycle time when generating large threads by using long inserts in a multiple-flute holder. MiTM allows significant increases in feed rates and reduced the number of machining passes. MiTM threading tools make use of two cutting edges per insert, which considerably extends tool life.


Understand the Many Advantages of Thread Milling


Thread milling has become an increasingly popular alternative to tapping and thread turning.
For example, thread milling is a great choice over tapping when:


  • Your workpiece is very large and cannot be easily mounted on a lathe
  • Your workpiece is non-rotatable or parts are unsymmetrical
  • You want to complete the drilling and threading operation in one clamping
  • You have a power limitation on your milling machining
  • You have chip-flow problems
  • A high quality surface finish is required on your thread
  • You want to reduce your tooling costs.

To learn about these advantages and many other reasons when to choose thread milling, view a 7-minute animated film called "The 14 Advantages of Thread Milling" (the movie takes few short moments to download).


TM Gen - Making Thread Milling Easy!


A big drawback for many years had been the need to write the CNC programs manually in the absence of helical interpolation routines now commonly available on CNC machining centers.
This apprehension sent engineers looking for other, "simpler" threading methods.
Vargus' TM Gen, a PC-based program, solves this by guiding the user through a few simple steps to define the thread milling application and then providing all the information needed to complete the job - the best tool to use, the optimal machining data, and the actual G-code for all popular controllers. Vargus TM Gen helps you take the guesswork out of thread milling. You can download the TM Gen program, free-of-charge. When on the site, be sure to register for automatic version update notifications!


Vargus Will Make You a Thread Milling Expert!


Vargus is dedicated to educating its customers to become experts in thread milling. You can find complete theoretical and practical information on thread milling in the Vargus TM Handbook, available from your local distributor or click to download here.


In addition to its many seminars, on-site training and technical support visits of its worldwide staff, Vargus offers newsletters with practical tips on Making Threading Easier. Vargus Tips, are easy to read, simple to learn, and applicable to all your threading jobs. Click here to access the Vargus Tips library.

Be sure to register to receive the Vargus Tips directly to your mailbox!


Vargus Offers the Most Comprehensive Thread Milling System in the Industry


Whether or not you use the TM Gen to assist you in your choice of thread milling tool, the tool you choose has to also consider the number of parts or holes that are being produced and the desired cycle time. For example, choosing between a single or multiple-flute replaceable insert threadmill will have cost versus cycle-time considerations to take into account. In the case of small holes, where replaceable indexable tooling may not be feasible, solid carbide tooling should be considered.


A multi-purpose tool, like the new Vargus solid HeliCool-C or HTC threadmill eliminates tool changes between operation, resulting in significant cost and time savings, together with improved quality in many cases.


No hole is too small to be threaded by a Vargus thread mill!!!


  • The He-Lex line features through-hole cooling for excellent chip evacuation, especially in small blind holes.
  • The MilliPro miniature solid threadmill is ideal in threading difficult-to-machine materials where taps typically break.
  • The HeliCool-R provides an excellent solution to chip evacuation when threading through-holes.
  • The Vargus "Thriller" tool can perform multiple operations - drill, chamfer and thread with one single tool!
  • The HeliCool-R tool combines a threadmill and chamfering tool in one!