Surface Roughness (texture) comparison standards. Made of solid electroformed nickel.
The largest variety of standards available for assessing and specifying, by symbol, the degree of roughness of machined parts – including every machining method known.
Every Obtainable Value
15 different sets available
Each value size is 16mm x 25mm (or 5/8″ x 1″)
Overall dimensions of each plate 52mm x 128mm (or 2 1/16″ x 5″)
Light in weight – can be carried in pocket. Supplied in a plastic wallet.
Machining Method: Belt Sanding No. of Specimens: 6 Range Ra µm: 0.10-3.2 Range AA µ”: 4,8,16,32,63,125 N Numbers: 3-8
