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Top hammer drilling tools
Tapered drill bits
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Integral drill rod
Plug hole drill rod
Extension rod
Shank adaptor
Coupling sleeve
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DTH hammer
DTH drill pipe
Breakout bench for DTH hammer
Button Bit Grinding Machine
Casing System
RC drilling tools
Eccentric casing system
Symmetric overburden drilling
Slide block casing system
Double casing drilling
Expansive Mortar
Expansive Mortar
Stone cutting and splitting
Hand splitter
Pneumatic splitter
Hydraulic splitter
Stone cutter
Rock drill jack hammer
Hand-held pneumatic rock drills
Air-leg Rock Drill
Gasoline rock drill
Pneumatic Rock Drill for Excavator
Pneumatic Breaker
Rotary Drilling Tools
TCI Tricone Bit
Mill Tooth Tricone Bit
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Home > Top hammer drilling tools > Extension rod
Categories
Top hammer drilling tools
Tapered drill bits
Thread drill bits
Reaming bits
Tapered drill rod
Integral drill rod
Plug hole drill rod
Extension rod
Shank adaptor
Coupling sleeve
DTH drilling tools
DTH BITS
DTH hammer
DTH drill pipe
Breakout bench for DTH hammer
Button Bit Grinding Machine
Casing System
RC drilling tools
Eccentric casing system
Symmetric overburden drilling
Slide block casing system
Double casing drilling
Expansive Mortar
Expansive Mortar
Stone cutting and splitting
Hand splitter
Pneumatic splitter
Hydraulic splitter
Stone cutter
Rock drill jack hammer
Hand-held pneumatic rock drills
Air-leg Rock Drill
Gasoline rock drill
Pneumatic Rock Drill for Excavator
Pneumatic Breaker
Rotary Drilling Tools
TCI Tricone Bit
Mill Tooth Tricone Bit
Single Roller Cone Bit
PDC Bit
PDC Core Dril Bits
Hole Opener/Reamer
Drag bit
Drilling Accessories
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Taper Drill Rod
Mining Rock Drilling Tools Taper Drill Button Bit
Mining Rock Drilling Tools Taper Drill Button Bit
knock off drill bit rock drilling tapered button bits for mining
knock off drill bit rock drilling tapered button bits for mining
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cross bits for jack hammer
Home > Top hammer drilling tools > Extension rod

Extension rods are made by hollow drill steels. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling.

And the threads can be used for connecting couplings, shanks, couplings or bits. 

There are two shapes of extension rods, round type and hexagonal type. 

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.

 Extension Rod(MM Rod)
Thread Sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51
Rod Diameters: Round 32mm, Round 39mm, Round 46mm, Round 52mm, Hex 22mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm
Effective Lengths: 600mm to 6,400mm

Male/Female (M/F) rod, Speed rod
Thread Sizes: R32, T38, T45, T51
Rod Diameters: Round 32mm, Round 39mm, Round 46mm, Round 52mm
Effective Lengths: 915mm to 6,100mm

Drifting & Tunneling Rods
Thread Sizes: R22, R25, R28, R32, R38, T38
Rod Diameters: Round 32mm, Round 39mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm
Effective Lengths: 2,100mm to 6,400mm

Extension rod

Extension Drill Rod

Extension Drill Rod

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Superdrill Equipment, is a specialized manufacturers and supplier of Rock Drilling Tools, Stone and demolition tools and consumables for quarrying, mining and construction with 20 years experiences.

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