Spline Rotary Broaches can be produced as internal or external forms and are made per your exact specifications. The series of straight keyways on our spline broaches can also be produced in an irregular pattern with teeth missing. Like all Slater Tools Rotary Broaches, spline broaches can be made in a variety of premium materials and with different coatings to help achieve maximum tool life. Pressure relief vent holes, spun ground diameters, corner radii, special tolerances, quantity discounts and resharpening are also offered.