89mm DTH Drilling Equipment with API 2-7/8" Reg Thread 3-1/2 inches DTH Drill Rod
89mm Friction Welding Water Well DTH Drill Pipes:
Product: Friction Welding DTH drill pipes
Size: 3-1/2" (89mm)
OD: 89mm
Wall thickness: 8mm
Joint: 2-7/8" API reg
Length choose: 1.5m, 3m, 4.5m, 5.8m, 6.1m, 7m, 8.8m, 9.7m, 12m or based on yours.
Thread Connection choose: API REG, API IF, API NC, FH, XH.
Steel grade: R780, J55, E75, X95, G105, S135.
Spanner flats: with
Water Well drill rods widely used in geological exploration, coal mining, water conservancy & hydropower, highway, railway, bridge, building construction etc.
The type have exploring water well rods, exploring water spiral drill rods, outburst-prevention drill rods, DTH drill rods, triangle drill rods, anchor-shank drill rods, extension rods, EU drill rods, RC drill rods, KLEMM drill rods, Ingersoll Rand drill rods etc.
Roschen drill rods produced by CNC machine, and choose high grade steel material thru heat treatment of the steel tube & thread joint to improve the steel material streagth and insurance the thread wear life.
Roschen Water Well Drill Rods Specifications:
FAQ
Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in stock.
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union, One touch, Money Gram, Trade Assurance.
Q: What about the shipment?
A: Based on order quantity and the length of drill pipes. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your chinese agent.
Q: How to control the quality?
A: We should be checking & testing everyone drill rod before shipment.
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Does your drill pipe have heat treatment?
A: Yes, the heat treatment for our drill rods and casing pipes.
Q: Does your drill pipe have rust prevention?
A: Yes, every one drill pipe and casing pipe will be with the rust prevention by paint or anticorrosive oil before shipping. If you need galvanized pipes pls contact us the price.
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.
Q: Can I trust your company?
A: Our company has been certificated by chinese government, and verified by Alibaba Trade Assurance, 100% refund of the Trade Assurance Amount. Alibaba can guarantee all of your payment, Just order from US!!!
