Mining Usage DTH Drill Rods Down The Hole DTH Drill Rod Pipes DTH
Drilling Tools
Product specifications:
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:
(2”)50mm DTH drill 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 drill pipe with API 2 3/8 REG 1500-3000m length
(3 1/2”)89mm DTH drill pipe with NC26( API 2 3/8 REG) 1500-3000m
length
(4”)102mm DTH drill pipe with NC31( API 2 7/8 REG) 1500-6000m
length
(4 1/4”)108mm DTH drill pipe with NC31( API 2 7/8 REG) 1500-6000m
length
(4 1/2”)114mm DTH drill pipe with NC31( API 2 7/8 REG)or NC35
1500-6000m length
(5”)127mm DTH drill pipe with NC38( API 3 1/2 IF) 1500-6000m length
| No. | Specifications (mm) | Craft | Connection type |
| Diameter | Length | Thread type |
| 1 | 50 | 1000-3000 | API 2 3/8 REG | Friction welding | Box/pin |
| 2 | 60 | 1000-3000 | API 2 3/8 REG | Friction welding | Box/pin |
| 3 | 76 | 1500-3000 | API 2 3/8 REG | Friction welding | Box/pin |
| 4 | 89 | 1500-3000 | NC26(2 3/8 IF) | Friction welding | Box/pin |
| 5 | 102 | 1500-6000 | NC31 (2 7/8 IF) | Friction welding | Box/pin |
| 6 | 108 | 1500-6000 | NC31 (2 7/8 IF) | Friction welding | Box/pin |
| 7 | 114 | 1500-6000 | NC31 (2 7/8 IF)or NC35 | Friction welding | Box/pin |
| 8 | 127 | 1500-6000 | NC38(3 1/2 IF) | Friction welding | Box/pin |
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 an international market-oriented enterprise specialized in
manufacturing, supplying and services of rock drilling tools.
Owning two factories and working in close collaboration with other
two strategic cooperative partners, we offer a full range of
drilling products. Such products are provided as top hammer
drilling tools (TH), down the hole drilling tools (DTH), self
drilling anchor tools, diamond exploration drilling tools and
rotary drilling tools, which are widely used in mining, quarrying,
well drilling and construction. All of them are compatible with
other world leading brands such as Atlas Copco, and Boart Longyear.
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