PHR-2S Tiny Superficial Rockwell Hardness Tester adopts less testing strength. Its testing force can be loaded, It's easy to use and convenience to take. It is therefore, welcomed by many users. Usage Range: Hardened and surface hardened steel, hardening and tempering steel, tempered steel, cold and hard casting parts, forging pats, hard ally steel, aluminum alloy, bearing steel, carburized steel sheet, etc.
