1) od: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) steel grade: e75, x95, g105, s135 3) type of end finish: eu-external upset, ieu-internal & external upset 4) all drill rod are made according to api 5d standard 5) we can provide in many conditions, with or without hard banding 6-11m
