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Solid Carbide Endmill combines performance, extended tool life.

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Solid Carbide Endmill combines performance, extended tool life.
Solid Carbide Endmill combines performance, extended tool life.
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March 7, 2014 - Used on steel, stainless steel, cast iron, and super alloys, Prototyp Proto•max™TG (Tough Guys) is available in 2–25 mm dia variants with 3, 4, or 5 cutting edges. Design promotes chip removal, rear cutting edge has reinforced core to promote stability, and carbide substrate provides toughness for counteracting vibration induced fractures to cutting edge. Pre-treatment provides optimum surface for titanium aluminum nitride coating, which helps protect against wear and increase tool life.

Versatile New Walter Prototyp Proto·max(TM)TG Endmill Delivers Enhanced Performance and Tool Life in Demanding Applications

Walter USA, Inc.
N22 W23855 Ridgeview Pkwy. W.
Waukesha, WI, 53188

Press release date: March 6, 2014

An innovative combination of substrate, edge treatment and coating gives the Walter Prototyp Proto•max™TG solid carbide endmill enhanced performance characteristics.

Waukesha, WI – Walter has expanded its “Tough Guys” series of high-performance solid carbide endmills with the new Walter Prototyp Proto•max™TG (the TG stands for "Tough Guys"). The Proto•max TG is a versatile performer that can be used on steel, stainless steel, cast iron and in many cases on super alloys.

The endmill provides excellent chip removal and guarantees sufficient room for the chip removal for slot milling up to 0.9 x Dc. The rear cutting edge has a reinforced core, giving the tool a high degree of stability. The cutter is available with a reduced neck as an option, and is ideally suited to plunging or inclined plunging for deep cavities. In addition, it is also suitable for pocket, contour and shoulder milling. The Proto∙maxTG is available in 2 to 25 mm dia., with three, four or five cutting edges.

In addition to its performance-enhancing design features, Proto•maxTG boasts an advanced carbide substrate. This substrate provides for an extremely high level of toughness -- important for counteracting vibration induced fractures to the cutting edge. An advanced pre-treatment process provides an optimum surface for the tool’s new titanium aluminum nitride coating. This new coating helps protect against wear thus increasing tool life. These three features – substrate, cutting edge treatment and coating – combine to dramatically increase Proto•maxTG cutting parameters by up to 100%.

The new Proto•maxTG joins three existing models in the Walter Prototyp Proto•max™ family of solid carbide end mills. These are the Proto•max™ST for steel, Proto•max™Ultra for hard materials and Proto•max™Inox for stainless steel materials.

Walter offers an extensive line up of cutting tools for milling, drilling, turning, boring and specialized tooling for unique applications through its competence brands Walter Valenite, Walter Titex and Walter Prototyp. As well as multi-level service programs through its Walter Multiply brand. Headquartered in Waukesha, Wisconsin the company has a strong network of distributors and field engineers across their subsidiaries in the USA, Canada, Mexico, Brazil and Argentina. The Walter name is synonymous with productivity, thanks to more than 90 years of developing cutting tools and inserts that set new standards in quality, innovation and production.

For further information on Proto•max™TG:
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