Phase II+ Rockwell / Superficial Hardness Tester w/ Analog Display - 900-345


Thread Check offers the Phase II analog Rockwell Hardness Tester, the 900‐345 Superficial Rockwell Hardness Tester comprises "state of the art" design and dynamic precision only found with a Phase II product. Used for testing thin and soft material in the Superficial Rockwell Hardness scales, this hardness tester is ruggedly engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E‐18 Superficial Rockwell Hardness standards, this hardness tester will offer unmatched repeatability in all Superficial Rockwell Hardness scales (table shown below). A perfect performer suited for any environment including tool rooms, heat treat facilities, laboratories, workshops and inspection labs. Lifetime technical support is included with all Phase II Hardness Testers. Includes a 5 year warranty and excellent product support.


  • Direct analog dial reading
  • Engineered to obtain highly sensitive and accurate readings
  • Conforms to ASTM E‐18
  • Perfect for laboratories, workshops, tool rooms, inspection labs, etc.
  • For testing thin, soft material in the Superficial Rockwell scales (900‐345)