Quarrying

Round Extension Drill Rods

Made from the same steels as Sandvik, produced by CNC machining and advanced heat treatment.

Description

SINODRILLS Round Extension Drill Rods


Extension drill rod transmits power from rock drill piston to rock, one side of the rod is connected to coupling or shank adapter, while the other side is connected with threaded drill rod.



Parameters

• Thread size: R32, R38, T38, T45, T51.

• Rod size: Round 32, Round 39, Round 46, Round 52.

• Length: 600mm to 6059mm.

• Slot for wrench: with or without



Features

• Carburizing process is applied to promote surface hardness, thus grant better wearing quality and lifespan for the drill rods;

• 23CrNi3Mo, which is in same league as Sandvik Sandbar 64, is applied as drill rod material.

• Cost-effective, good performance with reasonable price.

• Complete types of drill rod for various drilling scenarios.



Applications

Drilling duties in tunneling, construction, mining, quarrying, etc.


Bench and Production Rods, Extension Rods, MF(Speed) Rods




Description


LengthDiameterWeight


mm


feetmminchkg

Extension Rod

R32 - Round32 - R32


2435


8'321 1/4''14.20


3050


10'321 1/4''17.80


3660


12'321 1/4''21.30

MF (Speed) Rod

R32 - Round32 - R32


3050


10'321 1/4''17.90


3660


12'321 1/4''21.45


4270


14'321 1/4''25.10

Extension Rod

R38 - Round39 - R38


3050


10'391 17/32''25.50


3660


12'391 17/32''30.60


4270


14'391 17/32''35.40

MF (Speed) Rod

R38 - Round39 - R38


3050


10'391 17/32''26.50


3660


12'391 17/32''31.60


4270


14'391 17/32''36.40

Extansion Rod

T38 - Round39 - T38


3050


10'391 17/32''25.50


3660


12'391 17/32''30.60


4270


14'391 17/32''35.40

MF (Speed) Rod

T38 - Round39 - T38


3050


10'391 17/32''26.50


3660


12'391 17/32''31.60


4270


14'391 17/32''36.40

Extension Rod

T45 - Round46 - T45


3050


10'461 3/4''35.80


3660


12'461 3/4''43.00


4270


14'461 3/4''50.10

MF (Speed) Rod

T45 - Round46 - T45


3050


10'461 3/4''36.40


3660


12'461 3/4''43.70


4270


14'461 3/4''50.70

Extension Rod

T51 - Round52 - T51


3660


12'522''54.20


4270


14'522''63.50

MF (Speed) Rod

T51 - Round52 - T51


3660


12'522''55.70


4270


14'522''64.80

Extension Rod

R32 - Round32 - R32


915


3'321 1/4''5.50


1220


4'321 1/4''7.32


1525


5'321 1/4''9.18


1830


6'321 1/4''10.95

MF (Speed) Rod

R32 - Round32 - R32


915


3'321 1/4''5.45


1220


4'321 1/4''7.28


1525


5'321 1/4''9.10


1830


6'321 1/4''10.72

Extension Rod

T38 - Round39 - T38


1220


4'391 17/32''9.20


1525


5'39
1 17/32''
10.25


1830


6'39
1 17/32''
15.30

MF (Speed) Rod

T38 - Round39 - T38


1220


4'39
1 17/32''
9.50


1525


5'39
1 17/32''
11.25


1830


6'39
1 17/32''
16.30

MF (Speed) Rod

T45 - Round46 - T45


1525


5'461 3/4''18.50


1830


6'461 3/4''
22.20

MF (Speed) Rod

T51 - Round52 - T52


1525


5'522''17.85


1830


6'522''28.10


Please contact our sales team for more specifications.