Damping spring is the accessories of the kelly bar parts. the function is to protect the kelly bar and damping , the material is 60Si2Mn .
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)
FAQ
1.What kind of drilling tools can we provide?
Ans.: We can provide drilling tools for almost all the brand rotary drilling rig, In addition to the above model
specifications,our company can produce special specification products to customer requirements.
2.What is the advantages of our products?
Ans.:We use super quality raw material, which makes the drilling tools more durable and our drilling tools with competitive
price.No matter you are dealers or end user,you will get the biggest profit.
3. What warranty do we provide?
Ans.: We provide six months warranty time.
4. What is the lead time?
Ans.: Usually the lead time is 7-10 days after receipt of your payment.
5.What payment terms do we accept?
Ans.: We accept T/T in advance or L/C at sight.
6.We provide customized services for drilling tools, kelly bars and have sold world-wide for BAUER,MAIT, SOILMEC,CASAGRANDA,SANY,XCMG drilling rig etc.