| Model NO.: | Api sub sucker rod coupling5809 |
|---|---|
| Packaging Qty: | Wooden case package |
| Manufacure Name: | Yantai yunsheng petroleum machine co.ltd |
| Customization: | Available Customized Request |
|---|
Yantai yunsheng petroleum machine accessories co.ltd
Api 3/4"to7/8" sub sucker rod coupling 1) the sub sucker rod couplings are used to connect two varisized sucker rod. 2) basic material: high quality carbon steel aisi 5140(40cr) 3) sm coating material: ni60a alloy coating 4) basic hardness: hrc 16-23 5) surface hardness: hrc 55-62 6) hole rate: 2% 7) smoothness: 3.1×10-3 8)min. hardness of the layer: 595hv0.2 9) type: sm/t, full size/ slim hole 10) othercoupling diameter: 5/8"to3/4 ",7/8"to1", 1"to1-1/8" 11)weight:0.92kg o.d.:1-13/16(46.04mm) length:4in(101.6mm) 12) life: more than 180days moreover, yunsheng sucker rod coupling includes sm sucker rod coupling,t sucker rod coupling,full size sucker rod coupling, all of them are up to api 11 b and available in sizes of 5/8", 3/4", 7/8", 1"and 1-1/8" if you are interested in any of our sucker rod couplings, please contact us freely. due to we are the direct professional manufacturer, we have enoug
