... /2''--26''hole reamer bit 2.Type:Milled tooth & TCI 3.IADC:116,517,537,617 4.hole reamer bit ... 5.ISO,SGS approved hole reamer bit1.Type:TCI & Milled ... 547,617,637,737.Products details shows in photos:hole reamer bit4.IADC code modalityhole reamer bitCertificate: ISO, ... hours.Choose me,do not hestitate:Welcome to contact with us if you have any problems.we are ...