Maximize your threading, grooving, and cut-off productivity with inserts, blades, and toolholders for Threading, Grooving, and Cut-Off applications. The WIDIA brand portfolio now includes the respected WIDIA-Manchester brand, which has been recognized as a leader in developing premium products such as the WMT Groove, Turn, and Cut-Off inserts with integral and modular toolholders; Separator Cut-Off tools; and Chipmaker OD and ID Grooving products. Integral OD & ID Grooving The WMT Grooving, Cut-Off, Turning, and Profile system runs at high speeds and feeds, and the inserts feature a double-vee design that offers maximum rigidity, excellent chip control, optimized insert positioning and indexability, and delivers superior surface finish.