The DTH drill pipe consist of pipe and two adapters, box and pin. We use high strength and well-resistance alloy steel, inserting of high tensile seamless pipe, and according to different drilling depth, we can offer various thickness of pipe and material for customers’requirements.
The DTH drill pipe consist of pipe and two adapters, box and pin. We use high strength and well-resistance alloy steel, inserting of high tensile seamless pipe, and according to different drilling depth, we can offer various thickness of pipe and material for customers’requirements.
DTH drill pipe Feature
• Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm
• Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm
• Thread: 2 3/8’’ API REG, 2 7/8’’ API REG, 3 1/2’’ API REG, 4 1/2’’ API REG,2 3/8″ API IF, 3 1/2″ API IF; BECO 6”, BECO 8”
• Wall thickness: 5.5mm/6.5mm/7.5mm/8.5mm/10mm
• Other spaecial size can be customized by customer’s drawing.
• Advanced heat treatment technology and friction welding mahcine.
Rod dia | Rod length | Thickness | Connect thread | Wrench flats | |
(inch) | (mm) | (mm) | (mm) | (mm) | |
3 | 76 | 1000-6000 | 5 | API2 3/8”REG | 57/64.5 |
3 | 76 | 1000-9000 | 8 | API2 3/8”REG | 57/64.5 |
3 1/2 | 89 | 1000-6000 | 6 | API2 3/8”REG | 70/64 |
3 1/2 | 89 | 1000-9600 | 8 | API2 3/8”REG | 70/64 |
4 | 102 | 1000-9000 | 10 | API2 3/7”REG | 76/89 |
4 1/2 | 114 | 1500-7620 | 6 | API3 1/2”REG | 89/95 |
4 1/2 | 114 | 1500-9140 | 8 | API3 1/2”REG | 89/95 |
4 1/2 | 114 | 1500-9140 | 10 | API3 1/2”REG | 89/95 |
4 1/2 | 114 | 1500-9140 | 18 | API3 1/2”REG | 89/95 |
5 | 127 | 1500-9500 | 12 | API3 1/2”REG | 89 |
5 | 127 | 1500-9500 | 14 | API3 1/2”REG | 89 |
5 | 127 | 1500-9500 | 18 | API3 1/2”REG | 89 |
5 1/2 | 140 | 1500-9500 | 9 | API4 1/2”REG or 4’FH | 114 |
5 1/2 | 140 | 1500-9500 | 10 | API4 1/2”REG or 4’FH | 114 |
5 1/2 | 140 | 1500-9500 | 12 | API4 1/2”REG or 4’FH | 114 |