A testing fixture for testing a component of an industrial machine is disclosed herein. The testing fixture includes a fixture block and a component interfacing fixture that fastens to the fixture block. The fixture block includes a block tapered bore that forms a block tapered bore wall. The block tapered bore wall includes a block tapered surface with a frustoconical shape. The component interfacing fixture includes a receiving slot for the component and a stem. The stem includes a tapered portion that has a stem tapered surface with a frustoconical shape that mates with the block tapered surface.