Expanded threading solutions from Mitsubishi Materials

The MMT series, a comprehensive range of inserts and tools for threading from Mitsubishi Materials has been expanded to include a new 3-D chipbreaker and a new versatile PVD coated grade. In total there are 88 new items now available.

The MMT range covers a wide range of tooling for the efficient and precise machining of a multitude of internal and external thread types from standard metric and popular imperial threads such as Whitworth and UNC geometries through to thread forms such as ACME.

The main feature and advantage of the MMT series is to maintain chip control during the latter half of passes when continuous chips are formed and typically cause problems such as chip wrapping and poor surface finishes.

The new AG type 3-D chipbreaker has been added to the range of M-Class MMT inserts. It is designed with an advanced geometry to improve chip control and contribute to tool cost reduction. They are suitable for general purpose 60° and 55° inner and outer diameter threading and applicable to 48 – 8 pitch per inch and 0.5 – 3mm pitch threads.

MP9025 is a PVD coated grade introduced to the MMT series. It is tough grade with an emphasis on cutting edge strength and demonstrates excellent fracture resistance when machining at low cutting speeds, internal machining, and even on small corner R sizes.

These properties are all ideal for machining threads with excellent coating adhesion to the substrate, effective when machining heat resistant alloys and precipitation hardening stainless steels. The MP9025 coating technology features high Al-rich (AlTi)N single layer coating that provides stabilisation of the high hardness phase and succeeds in dramatically improving wear, crater, and welding resistance.

The MP9025 complements the three existing MMT series grades, VP10MF, VP15TF and VP20RT that cover all other material applications.

Mitsubishi Materials
www.mmc-carbide.com/gb

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