Description
Surface Roughness Standards – Complete Scale Set Of 30 Specimens
Features:
- Ideal for checking, identifying and specifying by symbol the degree of roughness of machine parts, covers every machine method known and every obtainable value
- Grade AA values are displayed in micro inch and micron values
- Quick, easy comparisons. Eliminates costly checking methods, saves time, reduces production of scrap caused by poor finishes
- 30 specimens, each 7/8″ x 3/8″ in size, and made of electro-formed solid nickel
- Each type of surface finish accurately and consistently reproduced to give operator a realistic idea of the feel, appearance and texture of the machined components
- Includes instructions and vinyl wallet
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