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Roughness sample set (for visual comparison only) ALPA LA265

This set consists of 30 comparison specimens, covering 6 commonly-used machining methods (6 turned, 6 end-milled, 6 horizontally milled, 6 surface-grinded, 3 lapped, 3 reamed/drilled. A label gives the Ra values of each specimen in both metric and imperial units. (Rz-value label available on request). Nominal value of the specimens: - Ra µm 0,05 - 0,1 - 0,2 for flat lapping and reaming - Ra µm 0,4 - 0,8 - 1,6 for grinding - Ra µm 0,4 - 0,8 - 1,6 - 3,2 - 6,3 - 12,5 for milling and turning
Merk: ALPA