Product Name

Rounding chamfer θ

Types

OD(mm)

Width of Wrench Square(mm)

Length of Wrench (mm)

Grade

Hardness

Unit weight(kg)

China factory API 11B sucker rod couplings/Changeover couplings

45°

3/4

Φ41.3^+0.13

         ^-0.25

38.1 ⁰

          ^-0.8

31.8^+0.62

     ⁰

19-T

56-62HRA

0.65

7/8

Φ46.0^+0.13

        ^-0.25

41.3 ⁰

          ^-0.8

31.8^+0.62

⁰

22-T

56-62HRA

0.8

1

Φ55.6^+0.13

        ^-0.25

47.6 ⁰

         ^-0.8

38.1^+0.62

   ⁰

25-T

12-23HRA

1.15

Package

Carton, Wooden case or wooden pallet

Payment Terms

30% TT Deposite, and 70% TT before shipment

Delivery Time

About 15 days after received your advanced payment well