We can offer Drill Pipe 4-1/2", Grade G-105, 16.6 PPF 4" IF Pin & Box Connection and Thread Protector. internal coating plastics（DPC) and Drill Pipe 3.5" OD, 2.76" ID, 3.5 IF, S135, 13.30 lbs/ft, R2, c/w protector, internal coating plastics（DPC).
And the other specification has 2-3/8,2-7/8 to 6-5/8.
If you have any needs,hope you feel free to contact us.
Contact:Jose liu
Email:jose@dlpoctg.com
Skype:jose@dlpoctg.com
Tel:+86-18722585559
WeChat:18722585559
