
DTH Drill Rods 3 1/2" For Down The Hole Drilling
API REG Thread 2 3/8", 2-7/8", 2-7/8" IF ,
3 1/2" DTH Drill Pipe Drill Rods for Down The Hole Drilling
API Thread Drill Pipe is same meaning with API Thread Drill Rod
It is also be called API Reg Thread Drill Pipe
Standard DTH drill pipe:
DTH drill pipes specifications | ||||
Outer diameter | Thread | Wall thickness mm | Length mm | |
mm | inch | |||
76 | 3 | API 2 3/8 REG API 2 7/8 REG API 3 1/2 REG API 4 1/2 REG API 2 3/8 IF API 2 7/8 IF API 3 1/2 IF API 4 1/2 IF BECO 3 1/2" | 4.0 6.3 | 1000-6000 |
89 | 3 1/2 | 4.0 6.3 8.8 | 1000-6000 | |
102 | 4 | 6.3 8.8 | 4000-6000 | |
114 | 4 1/2 | 6.3 12.5 | 4000-9000 | |
127 | 5 | 6.3 12.5 19 | 4000-9000 | |
133 | 5 1/4 | 6.3 12.5 19 | 4000-9000 | |
140 | 5 1/2 | 8.8 12.5 19 | 4000-9000 |
Product Description:
Down the hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. Roschen DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe. The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.
Roschen can produce various types of non-excavation drill pipe, water well drill pipe, Exploration Core drilling drill pipe, DTH drill pipe, petroleum drill pipe, geological drill pipe, anchor drill pipe, 100B DTH drill pipe 50 drill pipe friction welding drill pipe, all our drill pipe produced by friction welding.
ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
ROSCHEN Sales Value Growing Up!
ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.