PHOTO CREDIT: WALTER USA LLC
Walter has expanded its product range with the addition of the new thread milling grade, Tiger∙tec Gold WSM37G. The grade features the only PVD aluminum oxide (Al2O3) coating technology of its kind, which provides an elevated level of temperature resistance and long tool life.
A titanium aluminum nitride (TiAlN) base coating on the carbide substrate offers a high level of wear resistance and the multi-layer coating is topped with a polished gold-colored zirconium nitride (ZrN) layer with the best friction resistance and wear detection. In addition, an extremely smooth rake face minimizes friction.
These benchmark indexable inserts for thread milling have a positive basic shape geometry that has three cutting edges. They are available in either the D67 universal geometry for maximum tool life or the D61 geometry with anti-vibration land for a high level of operational smoothness when using large projection lengths or under difficult conditions.
WSM37G-grade inserts are for milling threads with a nominal diameter from 16mm or UNC 3/4 The indexable inserts can be used universally to thread mill steel, stainless steel, cast iron, non-ferrous metals, heat-resistant super alloys, and steel hardened up to 55HRC (ISO P, M, K, N, S and H).
Thread milling inserts in grade WSM37G feature chip breakers specifically developed for thread milling and a defined corner radii for producing threads in accordance with various standards. End users will realize process reliability due to the perfect balance between wear resistance and toughness.
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