High quality Rubber Compression Springs Kelly bar damping springs
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- kelly damping spring
Different kelly bar is matched different Model, such as 45*330*400 |
55*390*400 |
50*400*410 |
55*420*420 |
70*480*480 |
Please offer the following specification :
1.Material
2.Wire diameter
3.Surface treatment
4.Inner diameter and outer diameter(ID and OD)
5.Free length and work length
6.Application
- 3D diagram of spring

- Product details

factory photo
Packaging and Shipping
Exhibition
patent certificate
construction site