WIDIA™ TopThread™ TopThread High heat and high edge line load concentrated to a small nose radius, combined with high feed rates, places high demands on carbide threading inserts. The WIDIA TopThread system is the best solution for these problems. The WIDIA TopThread system is the superior choice for high-demand applications like machining Acme, Buttress, and API threads. TopThread Insert Technology TopThread insert technology brings superior chip control to your threading operations. Unlike competitors’ designs, the WIDIA recessed chip groove, when used according to our recommendations, will control the chip in most applications, bringing you better tool life and lower cutting pressures. • Reduced inconsistencies and better workpiece finish. • Superior chip control reduces the danger to operators. • Increased productivity in all of your threading operations. • Excellent choice for special thread forms and toolholder designs. F4 widia.com