Cutting insert for internal pre-grooving and chamfering

Cutting insert for internal pre-grooving and chamfering. Designation: Cutting insert for internal pre-grooving and chamfering, TABLE_INFO_PASSON: [{"attr":"P","val":"-"},{"attr":"M","val":"-"},{"attr":"K","val":"-"},{"attr":"N","val":"-"},{"attr":"S","val":"-"},{"attr":"H","val":"-"}], Type: GV