... 3.IADC:116,517,537,617 4.hole reamer bit 5.ISO,SGS approved hole reamer bit1.Type:TCI & Milled tooth2.Available size ... :3.Available IADC code ofhole reamer bit Milled tooth:116,117,126,127,136,137,216,217 ... ,637,737.Products details shows in photos:hole reamer bit4.IADC code modalityhole reamer bitCertificate: ISO,SGS5.Package and shippment6.Payment terms ...