Product description
1.OD:4 1/2'' 2.Thread:NC31 3.Grade:R780/E75 4.Wall thickness:8.56mm 5.Upset:IU 6.Length:3 meters
Certification:
1. ISO 9001: 2008
2. API 5DP-0011 3. GOST No.: 1739641 *Longway is professional production of drilling tools, if you want to know more about our products, pls feel free to contact us. *Caroline is at your service in 24 hours Skype:lwdrillsales9 QQ:2595308276 Mobile: +86-13673119276 ------------------------------------------------------------------------ Longway's best quality drill pipe of API standard