
Tmax MINB - MINI CARBIDE BARS FOR INTERNAL BACK TURNING Min. Bore Dia. f dh6 a 30 °R Tmax l3 1. 5 3° l3 l1 Dimensions (inches) Designation dh6 f a L1 L3 R±0.002 Tmax Dmin R/L Grade MINBR04-140010D030 .157 .024 .102 1.181 .591 .008 .020 .118 R TT9030 MINBR04-190010D030 .157 .024 .102 1.378 .787 .008 .020 .118 R TT9030 MINBR04-140015D040 .157 .059 .138 1.181 .591 .006 .031 .157 R TT9030 MINBR04-240015D040 .157 .059 .138 1.575 .984 .006 .031 .157 R TT9030 MINBR07-190020D050 .276 .035 .173 1.378 .787 .008 .039 .197 R TT9030 MINBR07-290020D050 .276 .035 .173 1.772 1.181 .008 .039 .197 R TT9030 MINBR07-190020D060 .276 .071 .209 1.378 .787 .008 .071 .236 R TT9030 MINBR07-290020D060 .276 .071 .209 1.772 1.181 .008 .071 .236 R TT9030 MINBR07-190020D070 .276 .110 .248 1.378 .787 .008 .098 .276 R TT9030 MINBR07-290020D070 .276 .110 .248 1.772 1.181 .008 .098 .276 R TT9030 221