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LMT presents new indexable insert for cost-effective finishing

Posted on 09 Nov 2026. Edited by: Jackie Seddon.
LMT presents new indexable insert for cost-effective finishing LMT Tools has presented its new WPR-AP indexable insert from the CopyLine range. The optimised ball-shaped copying edge delivers outstanding performance in finishing and semi-finishing operations thanks to its versatility, high cost-effectiveness and maximum process reliability, making it an attractive alternative to solid carbide tools.

With the new WPR-AP indexable insert, LMT Kieninger, a member of the LMT Tools Group, is expanding its portfolio to include a high-performance and versatile solution for finishing and semi-finishing. The optimised cutting edge geometry, newly developed LCHK05M cutting material and innovative Nanomold Red³ coating enable high performance and cutting speeds – whilst delivering high process reliability, a 30% increase in tool life and excellent surface quality.

As well as its high performance, the WPR-AP stands out for its cost-effectiveness. As an indexable insert solution, it offers users an attractive alternative to solid carbide tools and enables numerous solid carbide applications to be carried out more cost-effectively. Making the switch is particularly straightforward: the spherical copying cutter is fully compatible with LMT Kieninger’s existing holder systems. Whether screw-in, steel or solid carbide holders – users can select the holder best suited to their requirements and continue to use their existing systems.

The WPR-AP is designed for machining steel, cast steel, high-temperature-resistant materials and hardened steels up to 60 HRC, and thus covers a wide range of applications for demanding machining tasks. Typical areas of application include die and mould making, mechanical engineering and energy technology.

Jens Slaby, head of the indexable milling product line at LMT Tools, said: “With the WPR-AP, we offer our customers a high-performance, universal solution for finishing and semi-finishing, enabling them to increase their productivity and reduce their tooling costs. Wherever precision, process reliability and cost-efficiency are required, the new ball-nose copy cutter really comes into its own. Never has the switch from solid carbide tools to modern indexable insert copy cutters been so easy.”

The indexable insert is available in sizes ranging from 10 mm to 32 mm.