Made full accordance with API SPEC 11B, the couplings are high in quality and low in price. The basic material is AISI 5140. 1.API Class T Full Size sucker rod coupling 1)Material: Seamless Alloy Steel 40Cr (AISI 5140) 2)Standard: API Spec 11B  3)Size: 5/8"; 3/4";...

high quality reasonalble price long lifetime  API Two-Way Globoidal Protection Sucker Rod Coupling 1)Deflection-proof and Abrasion-proof sucker rod...

OIL DRILLING STABILIZERS, SUCKER ROD COUPLING PROFESSIONAL MANUFACTURER API 11B STANDARD EXCELLENT QUALITY&REASONABLE PRICE ROCK DRILLING STABILIZERS, SUCKER ROD COUPLING COMPANY BRIEF Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a...

THE COUPLINGS ARE MADE IN ACCORDANCE WITH API SPEC 11B, HIGH IN QUALITY AND LOW IN PRICE. THE COAT LAYER IS NI60A. API 3/4” Class T Slim Hole Sucker Rod Coupling  1)Material: AISI 51402)Standard: API Spec 11B 3)Specification:  O.D.: 1-1/2”(38.10mm) ...

It is a steel rod that used to make up the mechanical assembly between the surface and downhole components of a rod  Technical Performances1,Adopting the advanced production line crack detecting, quenching, the continuous overall tempering and sand blasting processes to achieve...

API Spec 11B professional manufacturer comprehensive service OEM service 3/4'' API Full Size Spray Metal Sucker Rod Coupling1)Type :Full Size Spray Metal Sucker Rod Coupling2)New:Both-way Protection Globoidal Coupling Full Size SM Coupling with Big Chamfer3)Material:High Quality...

Made in accordance with API standard, the couplings are high in quality and low in price. The basic material is AISI 5140. Yunsheng is the professional manufacturer of API sucker rod couplings and has been in this business for many years. We got the API certifivate on June 1, 2009....

ROCK DRILL STEEL ROD, SUCKER ROD COUPLING PROFESSIONAL MANUFACTURER API 11B STANDARD EXCELLENT QUALITY&REASONABLE PRICE ROCK DRILL STEEL ROD, SUCKER ROD COUPLING COMPANY BRIEF Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a professional...

The couplings are made in full accordance with API SPEC 11B. The thread is made by tap, the basic material is round bar steel. API 7/8” Class T Full Size Sucker Rod Coupling1)Material: Seamless Alloy Steel 40Cr (AISI 5140) 2)Standard: API Spec 11B ...

OIL DRILLING STABILIZERS PROFESSIONAL MANUFACTURER API 11B STANDARD EXCELLENT QUALITY&REASONABLE PRICE PROFESSIONAL MANUFA YUNSHENG API  SUCKER ROD COUPLINGS COMPANY BRIEF    Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a...