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The Composite Set of surface Roughness Standards, Set No. 16008, is a versatile tool for professionals in the drafting room, engineering department, or small shop.
This set includes 30 specimens, each measuring 7/8" x 3/8", with various surface finishes such as flat lapping, reaming, grinding, horizontal milling, vertical milling, and turning.
The scale conforms to S.A.E. and military specifications for visual and tactile inspection. Made of solid electroformed nickel, this set provides a realistic representation of the feel, appearance, and texture of machined components.
It also includes a special wallet, instructions, and a free graph that correlates CLA, AA, and Ra values. With this set, quick and easy comparisons can be made, eliminating costly checking methods, saving production time, and preventing the production of scrap caused by poor finishes.
Manufactured to ANSI-B-46.1-1985 standards, this set is truly international with markings in AA (microinches) and metric in Ra (micrometers).
It also comes with a certificate of conformance.
