Mitutoyo Surftest Standard

This surface roughness standard  is used with Mitutoyo SJ-210 and SJ-310 series of surface roughness testers. 

• Display: 
  • RA = Approx 3µm
  • RA = Approx 4µm. Can only be used for stylus tip checking.
    

Mitutoyo part # = 178-604
NOTE: This item is not returnable.