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Xiamen Bestlink Factory Co., Ltd.

Extension Rod, T45 Extension Rod, T51 Extension Rod manufacturer / supplier in China, offering R32/T38/T45/T51 Top Quality Extension Rod, Yt24 Air Leg Rock Drill Machine for Breaking Rocks, Yt28 Air Leg Pneumatic Rock Drilling Machine and so on.

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Supplier Homepage Product Top hammer drilling tools extension rod R32/T38/T45/T51 Top Quality Extension Rod

R32/T38/T45/T51 Top Quality Extension Rod

FOB Price: US $80-450 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $80-450/ Piece
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Production Capacity: 10000PCS Per Month
Transport Package: Plywood
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: R32, R38, T38, T45, T51
  • Usage: Ore Mining
  • Controlling Mode: Artificial
  • Hole Diameter: 101-150mm
  • Structure: Vertical Drilling Machine
  • Condition: New
  • Size: Various Size Available
  • Trademark: Bestlink
  • Origin: China
  • Length: 1.0-6.0m
  • Material: High Manganese Steel
  • Precision: High Precision
  • Automatic Grade: Semiautomatic
  • Layout: Vertical
  • Number of Shaft: No
  • Aplication: Use for Top Hammer Drilling Machine
  • Specification: CE
  • HS Code: 72288000
Product Description
Extension Rod
Produce Hexagonal and round cross sections, Hexagon rods are more rigid, heavier and transfer energy more efficiently, while increasing flushing. Round rods are generally lighter than hexagonal rods and are normally used in extension drilling applications. With the longer steel tending to be larger in diameter, conventional extension steel is characterized by a duplicate thread on each end of the steel.,

Male/Female (M/F) rod, speed rod
M/F drill steel is an alternative to couplings sleeves to include the female part of the threaded connection as an integral part of the drill steel. M/F drill steel provides more rigid connections and is easier to uncouple and handle. The service life also tends to be better than with separate couplings. The advantages of drilling with M/F steel include: Easy handling, quicker uncoupling, tighter connections, the potential to drill straighter holes, and longer service life.
For Extension Rod and M/F steel process, the below two different types of heat treatment are used to strengthen high speed and powerful percussive drill string components to maximize their performance and reliability. Longer steel larger in diameter, conventional extension steel, Hexagonal and round cross sections are available.
- Carburization is a process used to harden the entire rod surface both internally and externally to strengthen and extend the life of the rod.
- High Frequency Induction is a process where only the thread ends of the rod are hardened to lengthen thread life.

Extension rod size
R32-Round32-R32 length 3 4 6 8 10 12 ft
T38 (R38) Round39-T38 (38), length 4' 6' 10' 12'ft
T45 -Round46-T45, length 10' 12' 14' 20' ft
T51 -Round52-T51, length 12' 14' 20' ft

MF rod /speed rod size
MF-rod R32-Round32-R32, length 3 4 5 6 10 12 14 ft
MF Rod T38-Round39-T38, length 4 5 6 10 12 14 ft
MF Rod T45-Round46-T45, length 5 6 10 12 14 20 ft
MF Rod T51-Round52-T51, length 6 12 14 20 ft
MF Rod ST58-Round60-ST58, length 12 14 20 ft

(1)Steel grade: 20CrNi3Mo equivalent to SANDBAR 64
SIZE: Hex. 22mm. Hex. 25mm, hex. 28mm. Hex. 32mm hex. 35mm
Dia. 32mm. Dia. 38mm, dia. 45mm dia. 51 mm
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60
(3)Length: 0.4m-10m
roduct NameSizeSpecificationLength
R25 RodHex25R25-Hex25-R25610mm, 915mm, 1220mm, 1525mm,1830mm,2435mm, 3050mm, 3660mm
R32-Hex25-R251830mm,2130mm,2475mm,2795mm,3090mm,3700mm
Hex28R32-Hex28-R253090mm, 3700mm
R38-Hex28-R25
R28 RodHex28R32-Hex28-R282475mm,2590mm,3090mm,3700mm,4005mm,4305mm
R38-Hex28-R283090mm, 3700mm,4305mm
R32 RodHex32R32-Hex32-R322475mm,3090mm,3700mm,4305mm
R38-Hex32-R322475mm, 3090mm,3700mm,  4005mm,4305mm,   4610mm,4915mm
T38-Hex32-R324305mm
Hex35R38-Hex35-R323090mm,3700mm,4305mm,4915mm,5525mm
T38-Hex35-R323090mm,3700mm,4305mm,4915mm,5525mm,6135mm
T38-Hex35-R32 MF-rod3090mm,3700mm,4305mm,4915mm,5525mm,6140mm
RD39R38-RD39-R324305mm
T38-RD39-R324305mm,4915mm,5525mm,6135mm
 

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