Thread Extension Rod for Support DTH Hammer
Basic Info
Model No.: R38 T38 T45 T51 St58 Gt60
Product Description
Model NO.: R38 T38 T45 T51 St58 Gt60 Length: 0.4-6.5m Material: Stainless Steel Structure: Deep Hole Drilling Automatic Grade: Manual Color: as You Request Rod Type: Hex or Round(Plain) Transport Package: Pallet Origin: China Certification: ISO Usage: Coal Mining Controlling Mode: Artificial Layout: Vertical Precision: High Precision Match: Atlas Copco, Sandvik Rock Drill Trademark: BESTLINK Specification: ISO HS Code: 72288000 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
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.
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
(4)Package: In wooden case or in bundles.
(5)Productivity: 20000MT / month
Contact us if you need more details on Extension Support Rod. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Extension Rod、Thread Extension Rod. If these products fail to match your need, please contact us and we would like to provide relevant information.
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
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.
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
(4)Package: In wooden case or in bundles.
(5)Productivity: 20000MT / month
oduct Name | Size | Specification | Length |
R25 Rod | Hex25 | R25-Hex25-R25 | 610mm, 915mm, 1220mm, 1525mm,1830mm,2435mm, 3050mm, 3660mm |
R32-Hex25-R25 | 1830mm,2130mm,2475mm,2795mm,3090mm,3700mm | ||
Hex28 | R32-Hex28-R25 | 3090mm, 3700mm | |
R38-Hex28-R25 | |||
R28 Rod | Hex28 | R32-Hex28-R28 | 2475mm,2590mm,3090mm,3700mm,4005mm,4305mm |
R38-Hex28-R28 | 3090mm, 3700mm,4305mm | ||
R32 Rod | Hex32 | R32-Hex32-R32 | 2475mm,3090mm,3700mm,4305mm |
R38-Hex32-R32 | 2475mm, 3090mm,3700mm, 4005mm,4305mm, 4610mm,4915mm | ||
T38-Hex32-R32 | 4305mm | ||
Hex35 | R38-Hex35-R32 | 3090mm,3700mm,4305mm,4915mm,5525mm | |
T38-Hex35-R32 | 3090mm,3700mm,4305mm,4915mm,5525mm,6135mm | ||
T38-Hex35-R32 MF-rod | 3090mm,3700mm,4305mm,4915mm,5525mm,6140mm | ||
RD39 | R38-RD39-R32 | 4305mm | |
T38-RD39-R32 | 4305mm,4915mm,5525mm,6135mm |
Contact us if you need more details on Extension Support Rod. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Extension Rod、Thread Extension Rod. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Top Hammer Drilling Tools > Extension Rod
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