... 1.Dia:3 1/2''--26'' hole reamer bit 2.Type:Milled tooth & TCI 3.IADC:116,517,537,617 4.ISO,SGS ... approved 5.hole reamer bit hole reamer bit1. ... Type:TCI & Milled tooth2.Available size:3.Available IADC ... tooth:116,117,126,127,136,137,216,217. TCI:417,437,517,527,537,547,617,637,737.Products ...