TB Test bar Designation ØD L HSK63A-TB40-300 40 300 HSK100A-TB40-350 40 350 BTN30-TB30-200 30 200 BTN40-TB50-300 50 300 BTN50-TB50-300 50 300 KCP Centering plug Designation taper ØD ØD ØC L g NTN 50 - KCP60 NT50 200(Over 8") 60 69.55 164.00 M24 200