... /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 ... ,537,547,617,637,737.Products details shows in photos:4.IADC code modalityCertificate: ISO,SGS5.Package and shippment6.Payment terms ...