Drill collar

본문 바로가기


Home > Product > Drill collar
Selling leads
Drill collar
Posting date : Mar 28, 2012
Membership
Free Member Scince Nov 30, 2011
FOB Price
1
Min. Order Quantity
9999
Package
product Package
Keyword :
Category
Contact
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
HS-CODE
05-
Package & Delivery Lead Time
Package
product Package
Delivery Lead Time
2013-03-28
Detailed Description
Drill Collar We can produce:    A, Normal Drill Collar    B, Spiral Drill Collar with spiral, elevator, slip grooves    C, Short Drill Collar Features 1,Except AISI 4145H by API 7-1 standard, also produce proprietary steel grade which combined the ductility and hardness both better than the API steel grade,   and also produce according to your requirement to adapted to down hole situation 2, Proprietary designed intermediate frequency heat treatment technique to make full-length heat treating so improve the service life. 3, Complete examination methods such as UT, MT is applied to examine out any flaw that guarantee the flawless products. 4, Modified  machine is applied to bore the inner bore one-off so that guarantee  the smooth inner wall. 5, 5 axis CNC milling machine to precisely machine the spiral, elevator, slip grooves of the spiral drill collar.   You may choose or be advised:    1, Stress-relief groove    2, Hard banding    3, Cold rolled thread roots.

ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
About Us Privacy Policy Terms of use Copyright © 2000-2024 ECROBOT.COM. All rights reserved.
Top