Serration Rotary Broaches and other star shaped broaches are one of the most common special forms Slater Tools produces. Serration Rotary Broaches can be produced as internal or external forms and are made per your print. Slater Tools offers a variety of materials and coatings, including TiN, TiCN, and TiAN, to help achieve maximum tool life. Pressure relief vent holes, spun ground diameters, corner radii, special tolerances, quantity discounts and resharpening are also offered.