Are you machining materials like 304 stainless steel or Ti-6Al4V? Then you know that these materials tend to generate excessive heat while sticking to the tool creating unique machining challenges that require unique geometry to successfully mill. That’s why we created the PYSTL end mill series, designed with an array of purpose-built features that specifically take aim at such work materials.

To address the gummy nature of titanium and steel, and others like them, the PSTYL end mills all incorporate full eccentric relief. This design element, combined with the right degree of relief, produces a cutting edge that is both rigid and free-cutting. The ability of the cutting edge to shear the work material with as little residual friction after initial contact is critical in producing an end mill that will satisfy the tool life and metal removal demands of today’s manufacturers.

Another key feature built into these end mills, making them ideal for machining gummy materials like 316L and 303 stainless steel, is the unequal index design in the 4-flute and 5-flute PYSTL series. This design reduces vibration during machining by disrupting the harmonic resonance commonly found in end mills with equally spaced flutes. Paired with a tapered core throughout the PYSTL series, this design creates an exceptionally robust end mill that resists both vibration and deflection during machining, enhancing performance and durability.

Last, but not least, the series features a nano PVD coating that incorporates elements like Aluminum and Chromium for higher hardness, heat resistance, and lubricity. Premium micro-grain carbide is used for the base of this Ultimate Performance tool end mill line. The series, which includes 4, 5, and 7-flute end mills is available in diameters 1/8” to 1-1/4” with radii from 0.010” to 0.250”.

If you are struggling with milling gummy, difficult-to-machine materials like 6Al4V-Ti, or are simply looking to possibly upgrade your current milling operation, try the PYSTL series end mills from GWS Tool. Contact us today at sales@gwstoolgroup.com to find the PYSTL end mill for you.

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