METROLOGY,Cylinder Depth Checker,CDC-400D

● For calibrating depth error of all types of caliper depth rods, outside accuracy inspection and zero setting of depth micrometers, depth calipers, dial depth gauges.

● Made of heat treated hardened tool steel, hardness: HRC58-62.

● Checker body and base are chromed polished, wear resistant, and rust resistant to ensure measuring accuracy and durability.

● Checker face dimension tolerance:+0.003mm parallelism and flatness max error: 0.002mm