Thread Check offers the PHASE II PHT‐1740. This dedicated unit is designed to test gear teeth and other difficult to access applications. The 1740 is an economically priced hardness tester that has the same features found on the base 1700 version. The 1740 hardness tester is capable of measuring the surface hardness of a wide variety of metals on round and flat surfaces. This instrument comes complete with a dedicated DL impact device, calibrated test block and rugged carry case.
Designed to test large hard parts:
Example: Tool steel should be close to 1" thick of solid material