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New Supreme Taps Offer Enhanced Tapping Performance

Three new blind hole taps from Walter (top to bottom: TC120, TC121 and TC122). Also available are coolant-through configurations.

Walter has introduced the TC120, TC121 and TC122 Supreme, three new blind hole taps designed for enhanced performance in steel with improved tool life and process reliability. These new entries in the Walter Supreme line have been specially developed for machining steel. The taps cover all tensile strengths from 43-200 KPSI.

The TC120 Supreme with a 45° helix angle makes it possible to reliably produce threads up to 3 x DN in soft and medium-strength steels (ISO P, N). It stands out due to its partial TiN coating in the chamfer section that increases wear resistance and tool life, special geometry, good chip evacuation and an extra-long threaded section that results in less fracturing in the guide section. It is available with internal cooling for improved chip evacuation.

The TC121 Supreme tap is suitable for threads up to 2.5 x DN in steels with medium tensile strengths between 112-177 KPSI (ISO P, M, K, N). "The tap features a 40° helix angle and a geometry that ensures tightly rolled chips, TiAlN or TiCN coating and combines maximum performance in steel in the medium strength range and maximum tool life with a high level of process reliability, with internal cooling for improved chip control," said a company spokesperson.

As a package, the three taps offer benefits for users who want to machine a wide range of steels, for example in general metalworking.

The TC122 Supreme with a 15° helix angle is engineered to long tool life in medium- to high-strength ISO steel and cast iron materials. It can produce thread depths up to 1.5 x DN without internal cooling, while up to 2.5 x DN is possible with internal cooling. Internal cooling increases process reliability by flushing out the chips. This hardened tap features a special geometry for extremely short chips, as well as a TiCN coating.

For more information contact:

Walter USA, LLC

N22 W23855 Ridgeview Pkwy. West

Waukesha, WI 53188


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