Hardness scale HRA, HRB, HRC, HRD, HRF, HRG, HR15N, HR30N, HR45N, HR15T, HR30T. HR45T
Preliminary test force 29.4N/3kgf for superficial Rockwell 98N/10kgf for Rockwell.
Display analogue. Stage elevation manual.
Load control manual. Min. reading 0.5HR.
Max. workpiece height 6.30″
Max. workpiece depth 5.51″(from the center of indenter).

Standard Abrasives 875001, Buff and Blend Flap Brush, 6 in x 1 in x 2 in FB048 20-71 A MED Medium Density, 7010301227 
