We CNC inserts are divided into positive-angle high feed milling Insert inserts and tungsten inserts price negative-angle tungsten carbide Inserts inserts. A positive-angle insert means that the insert has a back angle, which is a common single-sided insert. Negative angle steel Inserts insert means that the APKT Insert CNC Inserts China insert does tungsten carbide cutting tools surface milling Inserts not have a back angle and both sides of the threading Inserts insert grooving Inserts manufacturers can be used.