RUG-100: notebook sample block (turning, end milling, flat milling, exterior grinding, external grinding, polishing). The notebook sample block contains standards for the six most important processing methods among the popular "AA" values. All 30 samples were calibrated with uAA (arithmetic mean) and metric equivalent um Ra. Sample exterior roughness comparator 30 pieces of composite bag fixing gauges. 3 Flat grinding: 2,4,8; 7/8 "x 3/8" each; Each type of exterior finish is a true and consistent reproduction, with a true idea of the feel, appearance and texture of machined parts. Compare conveniently and quickly; Comply with S.A.
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