drill collar - 3 1/2"-14"
drill collar For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale drill collar, Made in China, High Quality Products!, China drill collar, oil drill collar Supplier, Manufacturer.
The drill collars are made of 4145H modified chromium-molybdenum alloy steel acc.to API Spec.7 and SY/T 5144.All threads can be phosphated, copperized or cold worked. All threads are machined with CNC Lathes-Double-shouldered and special threads. And a special the max diameter of drill collar is 14 inch.
Get QuoteHENAN WEIN INDUSTRY CO.,LTD
Address: Room1403, Building No.10,Jincheng Oriental International, CBD Neihuan Road,Zhengdong New District, Zhengzhou,450046, P.R.China, zhengzhou, HENAN, China, 450046
Tel: 0086-371-65807517
HENAN WEIN INDUSTRY CO.,LTD is very actively engaged in the business of petroleum drilling tools like drill pipe, drill collars, spiral drill collars non-magnetic drill collars, integral heavy weight drill pipe, stabilizer etc. And we also engaged in production of drilling fluid solids control equipment,such as drilling fluid shale shaker,centrifugal sand pump, drilling fluid cleaner, desander, desilter, vacuum degasser, liquid gas separator, shearing pump, mud agitator, mud gun, centrifuger and mud circulation tank etc. The products exported to USA, France,Jordan,Canada, Saudi Arabia, Yemen, Turkmenistan, etc.
