TetraMini-Cut Lineup Expanded with High-Precision Grooving CBN Insert “TCN Type” with ±0.01 mm Insert Width Tolerance

Iwaki, Japan – May, 2026 – Tungaloy Corporation (President: Satoshi Kinoshita, Head Office: Iwaki City, Fukushima Prefecture) announces the expansion of its TetraMini-Cut series with new high-precision CBN inserts featuring an insert width tolerance of ±0.01 mm, ensuring exceptional dimensional stability and superior surface finish for grooving hardened steel components.

https://tungaloy.com/press-release/expansion_tetraminicut_cbn_tcn-type/