Product Overview: The document details the specifications and applications of Torus cutters, specifically models 62THR and 62THRB, designed for use with hardened steels. These cutters feature a helix angle of 30° and are intended for use with an internal standard.

Range of Application: The cutters are suitable for steel materials, particularly those with a hardness range of HRC 44-67. They require a specific coating for effective use, as they are not suitable without it.

Material and Coating: The cutters are made from ultrafine carbide (HM CK10-30-UF) and are provided for own coating. The document emphasizes the necessity of an appropriate coating for functionality.

Specifications: The document provides detailed dimensions and specifications for various models of the cutters, including diameter (Dc), length (L1, L2, L3), and radius (r). Each model is listed with its corresponding product code for both coated and uncoated versions.

Working Parameters: For detailed working parameters, the document refers to pages 81-92, which are not included in the provided text.