damping spring
We can provide you with different sizes of kelly damping springs according to your needs,
we have much experience in filed of kelly bar, so we are very special in the spare parts.
Damping spring is the accessories of the kelly bar parts. the function is to protect the kelly bar and damping , the material is 60Si2Mn .
It is easy to break during using kelly bar .
Different kelly bar is matched different Model ,such as :
45*330*400
55*390*400
50*400*410
55*420*420
70*480*480 .etc
Can supply spring based on kelly bar size or customized type.
(as different machine)
