Model 4131 Surface Roughness Comparator

- Features group of standards for checking, identifying and
specifying by symbol the degree of roughness of machine parts

- Packed in plastic box

Technical specification
 Including:
 2pcs flat lapping   2.4 ?’’
  0.1, 0.05?m
 4pcs external grinding   8, 16, 32, 63?’’
  0.2, 0.4, 0.8, 1.6?m
 6pcs plain grinding   2, 4, 8,16, 32, 63?’’
  0.05, 0.1, 0.2, 0.4, 0.8,1.6?m
 6pcs horizontal milling   16, 32, 63, 125, 250, 500?’’
  0.4, 0.8,1.6,3.2, 6.3, 12.5?m
 6pcs vertical milling   16, 32, 63, 125, 250, 500?’’
  0.4, 0.8,1.6,3.2, 6.3, 12.5?m
 6pcs turning   16, 32, 63, 125, 250, 500?’’
   0.4, 0.8, 1.6, 3.2, 6.3, 12.5?m