Thinbit, manufactured by Kaiser Tool Company, has expanded its selection of internal Groove ‘N Turn toolholders. Available in ½", 5/8", ¾" and 1" diameters, the toolholders have a 1.250" minimum bore and hold inserts with cutting depths to 0.500".
Toolholers can be used on conventional, Swiss and CNC machines for ID threading inserts and grooving inserts in sizes ranging from 0.004" to 0.155". The inserts are available in three grades of material: D2 for steels, D5 for nonferrous and HSS. TiN, TiCN and TiAlN coatings are available, as are a full selection of radius and special configurations.