SHF-12ST PA, 1/8 in. Dia External Grip Ring, 0.025 In. Thick Carbon Steel Black Phosphate

External grip ring in carbon steel, phosphate finish. Grip rings do not require grooves, threads, or other preparatory machining. They exerts a frictional hold against axial displacement from either direction. They can be installed or seated at any point on a shaft and automatically compensate for accumulated tolerances in the retained parts.