Forging
Process
Pneumatic
Rock
Drill
Machine
With
Air
Leg
YT29A
Pneumatic
Rock
Drills
with
Air
Leg
YT
29A
Rock
Drilling
Machine
YT29A
air-legged
rock
drills
are
heavy-duty
air-legged
rock
drills
with
high
efficiency
and
low
consumption.
The
YT29A
air-legged
rock
drill
is
a
relatively
early
and
definitive
product
in
China.
Compare
with
the
same
type
of
rock
drills,
our
YT29A
has
its
unique
advantage:
light
quality,
low
noise,
high
efficiency
and
good
economic
results.
Application
-
Safe
and
easy
to
operate
-
High
efficiency
and
reliability
-
Can
be
used
on
all
rock
formations
-
Fast
drilling
velocity
and
energy-saving
-
Low
vibration
and
low
noise
Technical
Specifications
|
Parameter
Name
|
YT29A
|
|
Weight
|
26.5
|
|
Length
|
659
|
|
The
cylinder
diameter
|
82
|
|
Piston
stroke
|
60
|
|
Gas
consumption
|
≤88
|
|
Drilling
and
frequency
|
≥39
|
|
Impact
energy
|
≥70
|
|
Borehole
speed
|
≥470
|
|
The
borehole
diameter
|
Φ32-45
|
|
Perforating
depth
|
5
|
|
Shank
|
22*108±1
|
Advantages
High
efficiency,
low
noise,
light
weight,
good
economic
effect,
fast
drill
rate.
Frequently
Asked
Questions
Q1:
What's
your
delivery
time?
A:
Commonly
product
need
20
days
to
produce,
within
3
days
if
in
stock.
Q2:
What's
methods
of
payments
are
accepted?
A:
We
agree
T/T,
L/C,
West
Union,
One
touch,
Money
Gram,
Paypal.
Q3:
What
about
the
Shipments?
A:
Bases
on
other
quantity.
We
can
send
it
to
you
by
Express,
by
Air,
by
Sea,
and
by
Train.
Or
send
the
goods
to
your
Chinese
agent.
Q4:
How
to
control
the
quality?
A:
We
should
be
checking
&
testing
everyone
button
bit
before
shipment.
Q5:
Do
you
agree
sample
order?
A:
Yes,
we
are
welcome
your
sample
order
to
testing
our
quality.
Q6:
Can
we
select
the
button
bit
color?
A:
Yes,
we
have
golden,
silvery,
black
and
blue
for
your
choice.
Q7:
Can
we
change
to
our
mark
on
the
button
bit?
A:
Yes,
we
can
casting
your
company
mark
on
the
button
bit.
(Except
sample
order)
Q8:
Do
you
have
after-sale
service
and
warranty
service?
A:
Any
Quality
or
quantity
problem
once
confirmed,
we
will
be
compensate
you
the
same.
Any
question
or
problem
we
will
be
reply
you
within
24
hours.
Q9:
Can
I
trust
your
company?
A:
Our
company
has
been
certificated
by
Chinese
government,
and
verified
by
Ali
baba
Trade
Assurance.
100%
refund
of
the
Trade
Assurance
Amount.
Ali
baba
can
guarantee
all
of
you
payment.
Just
order
from
US!
