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Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Specifications
Brand Name :
ROSCHEN
Model Number :
60mm 70mm 89mm
Certification :
ISO
Place of Origin :
CHINA
MOQ :
Negotiable
Price :
Negotiate
Supply Ability :
10000 tons
Packaging Details :
steel bundle
Name :
DTH Drill Pipe
Processing type :
Forging
Machine type :
Drilling Tool
Use :
Blast Hole Drilling
Material :
Carbon Steel,Carbide
Diameter :
60mm 70mm 89mm
Description

Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe

DTH Drill Pipe Feature

1. Through-hardened shank end for high wear resistance and a longer service life
2. Stainless steel flusing tube lining to prevent corrosion and breakage
3. Super tough 40SiMnCrNiMo steel, specially designed for wet or dry drilling.
4. Special anti-corrosion oil to protect the flushing hole of the rod.
5. High quality insert subjected to special bronze- brazing process.

DTH Drill Pipe Application:


DTH Drill Pipe are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling


hollow drill steel

The hollow drill steel is vital material for making drill rods. It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled metallurgical process. The result is quality hex hollow drill steel with increased hardenability, uniform grain structure, and excellent machinability, which is difficult to break.

Drill rods made of Roschen hollow steel bars deliver stable drilling performance and extended wear life.


Materials: 55SiMnMo, 40SiMnCrNiMoA, 23CrNi3Mo, 80Cr, 95CrMo, 60Si2MnA

DTH Drill Pipe Specifications:

Types of drill rods Specifications Length (mm) Shank Weight (kg)
Tapered drill rods Taper Angle: 4, 6, 7, 11, 12 degree 400mm to 8000mm Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm 1.7 - 24.9
Integral drill steel Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm 400mm to 4800mm 3 – 15.4
Plug hole rods Chisel bit diameter: 17mm, 20mm, 22mm 150mm to 710mm 0.6 - 2.9

DTH Drill Pipe Pictures

Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe

Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe

Product tags

bq drill pipe

,

3.5 inch drill pipe

,

nc50 drill pipe
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Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe

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Product Detail
Brand Name :
ROSCHEN
Model Number :
60mm 70mm 89mm
Certification :
ISO
Place of Origin :
CHINA
MOQ :
Negotiable
Price :
Negotiate
Contact Supplier
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe
Blast Hole Drilling 60mm 70mm 89mm DTH Drill Pipe

ROSCHEN GROUP

Verified Supplier
11 Years
shanghai, shanghai
Since 1921
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Down The Hole Drilling, Tricone Drill Bit, Diamond Core Drill Bits
Total Annual :
5000-2000000
Employee Number :
100~500
Certification Level :
Verified Supplier
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