DTH Drill Pipes

DTH drill pipe are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe

Specification:
(2”)50mm DTH pipe with API 2 3/8 REG 1000-3000m length
60mm DTH drill pipe with API 2 3/8 REG 1000-3000m length
(3”)76mm DTH pipe with API 2 3/8 REG 1500-3000m length
(3 1/2”)89mm DTH pipe with NC26( API 2 3/8 REG) 1500-3000m length
(4”)102mm DTH pipe with NC31( API 2 7/8 REG) 1500-6000m length
(4 1/4”)108mm DTH pipe with NC31( API 2 7/8 REG) 1500-6000m length
(4 1/2”)114mm DTH pipe with NC31( API 2 7/8 REG)or NC35 1500-6000m length
(5”)127mm DTH pipe with NC38( API 3 1/2 IF) 1500-6000m length

DTH Drill Pipe with API NC thread
DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe

Specification:
(3 1/2”)89mm DTH pipe with NC26( API 2 3/8 REG) 1500-3000m length
(4”)102mm DTH pipe with NC31( API 2 7/8 REG) 1500-6000m length
(4 1/4”)108mm DTH pipe with NC31( API 2 7/8 REG) 1500-6000m length
(4 1/2”)114mm DTH pipe with NC31( API 2 7/8 REG)or NC35 1500-6000m length
(5”)127mm DTH pipe with NC38( API 3 1/2 IF) 1500-6000m length

Water Well Drill Pipe
Our water well drill pipes can be used to projects of water well drilling, geothermal well drilling, pipe-shed support drilling and so on. They are widely used by our domestic and abroad customers. We also suppply down-the-hole drill pipes, oil drill pipes and non-dig drill pipes, drilling equipments and some other drilling tools.
Specification of water well drill pipes
50mm   water well drill pipe for 200m drill rig
60mm   water well drill pipe for 400m drill rig
76mm   water well drill pipe with API thread
89mm   water well drill pipe with API thread
114mm water well drill pipe with API thread
127mm water well drill pipe with API thread
1. Material of pipe body: DZ40, DZ50, R780, G105, etc
2. Material of pipe joint: 40Cr, 45Mn2, 35CrMo, 4137H, etc