Lightweight cutting tool

A cutting tool comprising:

• a rear machine connection member;
• a center tube having a front end and a rear end opposite the front end along a central axis;
• a front cutting ring attached to the center tube proximate the front end of the center tube;
• and
• a rear cutting ring attached to the center tube proximate the rear end of the center tube and separated from the front cutting ring by a gap along the central axis, wherein the front cutting ring and the rear cutting ring each comprise one or more radially outwardly extending arm assemblies, and wherein the front cutting ring and the rear cutting ring each comprise a sleeve member and each of the one or more arm assemblies comprise:
• one or more leading arms extending radially outward from the sleeve member;
• one or more trailing arms circumferentially offset from the one or more leading arms around a circumference of the sleeve member extending radially outward from the sleeve member;
• and
• a cutting head supported by the one or more leading arms and the one or more trailing arms and comprising an insert pocket for mounting a cutting insert therein.

A cutting tool comprising:

• a rear machine connection member;
• a center tube having a front end and a rear end opposite the front end along a central axis;
• and a cutting ring attached to the center tube comprising:
• a sleeve member having a front end and a rear end opposite the front end along the central axis;
• one or more leading arms extending radially outwardly directly from the sleeve member;
• one or more trailing arms circumferentially offset from the one or more leading arms around a circumference of the sleeve member extending radially outwardly directly from the sleeve member;
• and a cutting head supported by the one or more leading arms and the one or more trailing arms comprising an insert pocket for mounting a cutting insert therein.