A Grade B Insert C Ext. Toolholder D Int. Toolholder E Threading F Grooving Unique clamping system for Excellent accessibility to the Milling cutter Miniature tool G highly rigid clamping workpiece face The unused cutting edge is always protected due Utilizing various tools minimizes the to the innovative clamping system. incomplete thread part. Even if the first cutting edge is chipped, the other Type A Type B Type N unused cutting edge can be used because the H insert is clamped in the center. Right hand a b a b a b a>b ab a