l Iduroṣinṣin ati ti o tọ, ṣiṣe idanwo giga;
l HRA, HRB, HRC asekale le ti wa ni ka taara lati awọn won;
l Yiyan fun miiran Rockwell asekale
(HRD,HRF,HRG,HRH,HRE,HRK,HRL,HRM,HRP,HRR,HRS,HRV)
l gba ifipamọ titẹ epo ni deede, iyara ikojọpọ le ṣe atunṣe;
l ilana idanwo Afowoyi, ko si iwulo fun iṣakoso ina;
l O duro ati ki o gbẹkẹle fun idanwo ti dada te;
L konge ni ibamu si awọn ajohunše GB/T 230.2, ISO 6508-2 ati ASTM E18;
