Reverse Circulation Backhoe 4 Inch Tapered drill rod
Reverse Circulation Backhoe 4 Inch Tapered drill rod
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 4", 4.5", 5"
High Light:

4 Inch hdd drill rod


Backhoe 8mm drill rod

Payment & Shipping Terms
Packaging Details: Bunles
Supply Ability: 1000000 pcs
Name: Tapered Drill Rod
Use: Ore Mining,Well Drilling
Type: Drill Pipe
Material: Carbon Steel,Carbide,High Manganese Steel
Application: Backhoe
Size: 4 Inch
Product Description

Reverse Circulation Backhoe 4 Inch Tapered Drill Rod


Tapered Drill Rod Introduction


Tapered drill rod, another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths—available from 0.6 m to 3.6 m in length—are measured from the collar to the bit end.

Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.


Tapered Drill Rod Application


(1) for Oil well drilling


(2) for water well drilling


(3) DTH drill rod


(4) geological drill pipe




• Precision Australian manufacturing

• Premium European 4140 alloy steel

• State of the art machining delivers precision cut threads every time

• Comprehensive part numbering system makes reordering simple

• Large stock range for immediate shipping


Tapered Drill Rod Parameters


Thread Type Remet Remet Remet Metzke Metzke Matrix Matrix
Rod O.D. 3 1/2" 4" 4 1/2" 4" 4 1/2" 4" 4 1/2"
Outer Tube O.D. 88.9mm 101.7mm 114.3mm 101.7mm 114.3mm 101.7mm 114.3mm
Outer Tube I.D. 81.8mm 94.6mm 107.2mm 94.6mm 107.2mm 94.6mm 107.2mm
Outer Tube W.T. 5.3mm 7.1mm 7.1mm 7.1mm 7.1mm 7.1mm 7.1mm
Inner Tube O.D. 38.1mm 50.8mm 63.5mm 50.8mm 63.5mm 50.8mm 63.5mm
Inner Tube I.D. 32.6mm 45.3mm 58mm 45.3mm 58mm 45.3mm 58mm
Inner Tube W.T. 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm
Spanner Flat 90mm 90mm 90mm 90mm 90mm 90mm 90mm
Weight 3.0m 75kg. 75kg. 95kg. 75kg. 95kg. 75kg. 95kg.
Weight 6.0m 120kg. 150kg. 168kg. 150kg. 168kg. 150kg. 168kg.



Tapered Drill Rod Pictures


Reverse Circulation Backhoe 4 Inch Tapered drill rod 0

Reverse Circulation Backhoe 4 Inch Tapered drill rod 1

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