It is made of inserted cemented carbide Specifications:J: No.0017 I.C.C.1) Material: inserted cemented carbide 2) ... 398DC, 398AC/DC, 399AC, 399DC, 399AC/DCR: No.0060A, No.0060, No.0061, No.0062, No.0063, No.0064, No.00651) Material: HSS 2) Cutter model: 388AC ... 398DC, 398AC/DC; 399AC, 399DC, 399AC/DCS: No.80B70, No.80B71, No.7282, No.7380, No.80B74, No.80B751) Material: HSS 2) Guide model: 388AC, ...