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[China]
Trade Verify
Address: No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
Contact name:Ling Bo
Changsha Sollroc Engineering Equipments Co., Ltd |
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Verified Suppliers
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API Reg Thread DTH Drill Pipes DTH Drilling Tubes Rod Length 1 - 10M
Product specifications:
Water well drilling used 2m,3m,4m,5m,6m API Reg DTH drill pipe with
diameter 76mm 89mm 102mm 114mm 127mm 140mm
Features
1. Application hard, very hard,and medium soft sock formation.
2. Reliable quality,long service life,rare abnormal breakage during
service life
3. Good flushing effect to ensure high drilling rate
4. Strict quality warranty and compensation rules
| Size | Nominal mass Lb/ft | Calculated weight type | Wall thickness | |||
| in. | mm | lb/ft | kg/m | in. | mm | |
| 2 3/8 | 60.3 | 6.65 | 6.26 | 9.32 | 0.280 | 7.11 |
| 2 7/8 | 73.0 | 10.4 | 9.72 | 14.48 | 0.362 | 9.19 |
| 3 1/2 | 88.9 | 9.50 | 8.81 | 13.12 | 0.254 | 6.45 |
| 3 1/2 | 88.9 | 13.30 | 12.31 | 18.34 | 0.368 | 9.35 |
| 3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
| 3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
| 4 | 101.6 | 14.00 | 12.93 | 19.26 | 0.330 | 8.38 |
| 4 1/2 | 114.3 | 13.75 | 12.24 | 18.23 | 0.271 | 6.88 |
| 4 1/2 | 114.3 | 16.60 | 14.98 | 22.31 | 0.337 | 8.56 |
| 4 1/2 | 114.3 | 20.00 | 18.69 | 27.84 | 0.430 | 10.92 |
| 5 | 127.0 | 16.25 | 14.87 | 22.15 | 0.296 | 7.52 |
| 5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
| 5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
| 5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
| 5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
| 5 1/2 | 139.7 | 21.90 | 19.81 | 29.51 | 0.361 | 9.17 |
| 5 1/2 | 139.7 | 24.70 | 22.54 | 33.57 | 0.415 | 10.54 |
Product photos
DTH Drill rod is made of high quality material detected by
spectrograph, impact and tension test.
With fully digitized processing line introduced from Japan with
integral heat treatment equipment
Anti adhesion thread with nitrogen treatment on surface make it
easier for handling.
Metallography detection, hardness test, magnaflux inspection,
ultrasonic flaw detection, tensile test and impact test ensure
products quality.
Length: 1, 000mm ~ 9, 000mm;
Diameter: 76mm (3") ~ 146mm (5-3/4");
Wall Thickness: 5.5mm ~ 8mm;
Connection Thread: 2 3/8", 2-7/8", 3-1/2", 4 1/2" API Reg. Or API
IF Thread.
About Us:
SOLLROC is a leading manufacturer of rock drilling tools, like
DTH hammers and bits, DTH drill pipes, RC hammers and bits,
tophammer button bits, coupling, cross bits, drill rods located in
Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for
20 years.
Owing to high quality, professional serivce and competitive price,
we have gotton good reputation from our customers all over the
world, such as France, Spain, Italy, South Africa, Australia, Iran,
Malaysia, etc.
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