1.Dia:3 1/2''--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 tooth2.Available size:3.Available IADC code ofhole reamer bit Milled tooth:116,117,126,127,136,137,216,217. TCI:417,437,517,527,537,547,617,637,737.Products details shows in photos:hole reamer bit4.IADC code modalityhole reamer bitCertificate: ...