Custom Spline

Jack Lie CNC machining expert

Specialize in CNC milling , CNC turning, 3D printing, urethane casting, rapid tooling, injection molding, metal casting,


A spline is a mechanical element that have a series of teeth on a drive shaft that mesh with grooves in a mating gear. A splined shaft usually has equally spaced teeth around the circumference, which are often parallel to the shaft’s axis of rotation. Splines also refer to as a combination of an external and an internal element.

Available material: steel, tool steel, heat treated steel, brass, bronze, copper, cast iron, fiber, plastic.

Runsom specializes in the production of various kinds of splines like tapered spline shafts, high precision blind internal splines, involute and straight sided splines.

Let Runsom supply you with available solutions to your gear projects! We welcome the challenge!