| Model: | 3/4' X7/8' |
|---|---|
| Brand: | Yunsheng |
| Origin: | Made In China |
| Category: | Industrial Supplies / Other Industrial Supplies |
| Label: | tyre coupling , Sucker Rod Coupling , di flange adaptor |
| Price: |
¥12
/ pc
|
| Min. Order: | 1000 pc |
| Live Chat: | Last Online:28 Oct, 2010 |
1)Function: The sub sucker rod couplings are used to connect two varisized sucker rod.
2)Basic Material: High quality carbon steel AISI 5140(40Cr)
3)Type: Spray metal/ T, Full size/ Slim Hole
4)SM Coating Material: Ni60A Alloy Coating
5)Coat Thickness: 0.01in ~ 0.02in
6)Smoothness: 3.1*10-3
7)Basic Hardness: HRC 16-23
8)Surface Hardness: HRC 55-62
9)Hole rate: 2%
10)Min. Hardness of the layer: 595HV0.2
11)Coupling diameter: 5/8"to3/4 ", 3/4"to7/8". 7/8"to1", 1"to1-1/8"
12)Life: 180days
13)Main Specification of 3/4"to 7/8" sucker rod coupling
Weight: 0.92kg
O. D.: 1-13/16(46.04mm)
Length: 4in(101.6mm)
