3-1/2" 89mm Water Well Drilling Rig Spare Parts Rock Drill Pipe Drill Rod
89mm Water Well DTH Drill Pipes Description:
Product: Water well DTH drill pipes
Size: 3-1/2" (89mm)
OD: 89mm
Wall thickness: 8mm
Joint: 2-3/8" API reg or 2-3/8" API IF
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.
Our SD 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.





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