Surface Roughness Standards Set Best Seller

Features

• Consists of 30 specimens 7/8″ x 3/8″ of electroformed solid nickel.
• Each type of surface finish, such as flat lapping, reaming, grinding, horizontal milling, vertical milling, and turning, is truly and consistently reproduced so as to give the operator or designer a realistic idea of the feel, appearance, and texture of the machined components.
• Quick and easy comparisons can be made, thus eliminating costly checking methods, saving valuable production time, and stopping the production of scrap caused by poor finishes.
• Marked IN AA (microinches) and Metric IN Ra (micrometers).
• Conforms to S.A.E. and military specifications for visual and tactile inspection.

Includes

Supplied with Certificate of Compliance.