Description:

0.636 inches hole diameter, 1.100 inches outside diameter, 0.189 inches material thickness, 45.0 rockwell c hardness rating, steel material.

Properties:

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces