TUBINGEN, Germany, Jun 13, 2025 – With the Tiger·tec Gold grade WPP35G, Walter is launching new indexable inserts specifically for rough milling steel and cast iron materials. Compared to other milling grades in this application area, the new grade significantly increases performance once again, particularly in terms of Tool life, process reliability and Wear resistance. Here, the WPP35G outperforms comparable grades in steel by an average of 35 % and in cast materials by around 15 %. At the heart of the Tiger·tec® Gold Grade WPP35G is a multi-layer MT-TiCN structure with optimised elastic properties of the crystals. This achieves very high layer adhesion with high inventory. The highly textured Al(2) O3layer on top reduces adhesion (e.g. with ISO K) and serves as a wear-resistant heat shield. The final, gold-coloured TiN layer optimises wear detection.
In addition to the high “texturing” (i.e. crystals arranged in the same direction, as opposed to disordered crystals) and the multi-layer structure, the multi-stage post-treatment in particular contributes to the high Wear resistance of the CVD milling grade. It ensures smooth rake faces and improves Toughness. Its high process reliability makes the WPP35G the ideal solution for low-manpower production and mass production; it can be used for medium to good machining conditions, in Dry machining (especially for steel) or with Lubricant – and in all standard Walter milling cutters from the M4000 Walter BLAXX and Xtra·tec® XT lines. Potential areas of application include general mechanical engineering, the automotive and Aviation industry, as well as the rail vehicle and energy industry.
About Walter
For over 100 years, Walter has stood for competence and quality in the field of machining technology. The company was founded in 1919 by Richard Walter and has its headquarters in Tübingen, Germany. The portfolio includes precision tools for milling, turning, grooving, drilling and threading as well as individual special tools and technology solutions along the process chain. With production facilities in North and South America, Europe and Asia, numerous subsidiaries and sales partners, and 4,400 employees worldwide, Walter has a global presence and customers in more than 80 countries around the world. In addition to engineering expertise, a sustainable corporate strategy and a diversity approach are part of the corporate culture. Since 2022, the Frezite Group has been part of Walter, including the Frezite portfolio brand FMT, which deals with cutting tools for lightweight materials. For more information, visit https://www.walter-tools.com.
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