Description
- Surface Roughness Comparators are widely used in Drafting Rooms, Inspection Departments and Engineering Workshops. They provide a realistic idea of the feel, appearance and texture of machined components
- Sets are available with the individual plates marked in both MICROINCH ( AA) and the METRIC system (m Ra) Manufactured from Solid Electro Formed Nickel
- Conforms to ANSI-B-46-1978, ISO/R. 468 and US Military Standard 4566 accuracy within permitted tolerance of 12% as per ANSI, ISO and Mil Specs
- Invaluable for both visual and tactile inspection of component surface finish
- It consists of 30 specimens which cover a comprehensive range of both the inch system AA microinches and the metric system Ra micrometers
- The references plates are manufactured from electro formed solid nickel
- Flat Lapping: 2, 4 and 8 AA
- Reaming: 16, 32, 63 AA
- Grinding: 2, 4, 8, 16, 32, & 63 AA
- Horizontal Milling: 16, 32, 63, 125, 250, & 500 AA
- Vertical Milling: 16, 32, 63, 125, 250, & 500 AA
- Turning: 16, 32, 63, 125, 250, & 500 AA
