Price | $3-$300 |
MOQ | 1pc |
Delivery Time | 15-30 days |
Brand | Minetech |
Place of Origin | China |
Certification | ISO9001 |
Model Number | Hex22 drill rod |
Packaging Details | 1/carton |
Payment Terms | Western Union, MoneyGram, T/T, L/C |
Supply Ability | 30000 pieces per month |
Usage | Ore Mining | Place of Origin | China |
Key Words | drill rod | Packaging Details | 1/carton |
Product Name | Hex drill rod | Material | high-strength alloy structural steel |
Model Number | Hex22 drill rod | Supply Ability | 30000 pieces per month |
Certification | ISO9001 | Brand Name | Minetech |
Payment Terms | Western Union, MoneyGram, T/T, L/C | Price | $3-$300 |
Delivery Time | 15-30 days | Machine type | Drilling Tool |
Length | 400mm-6400mm | Minimum Order Quantity | 1pc |
Application | Bolting, drifting • Bench drilling • Production drilling |
Hex 22 Steel Hollow Tapered Drill Rod for Coal Mining
Product
Description
A
wide
taper
degree
is
normally
used
when
drilling
with
high
impact
rock
drills
in
medium
hard
to
hard
and
abrasive
rock
formations.
Generally,
the
lightduty
rock
drill
uses
7
taper
or
smaller
taper
degree,
the
heavyduty
rock
drill
mainly
uses
12
taper
degree.
The
tapered
drill
rods
have
a
tough
life,
transferring
the
percussion
energy
from
rock
drill
to
drilling
bit
and
then
into
the
rock.
They're
also
subjected
to
high
bending
stress,
not
to
mention
corrosive
water
in
the
flushing
hole.
It
is
forbidden
to
keep
working
when
the
tapered
drill
rod
is
bended,
otherwise
the
service
life
of
the
tapered
drill
rod
would
bedecreased.
If
the
tapered
drill
rod
was
sheared,
it
can
be
restored
by
re-machining
a
new
taper.
Features:
1. High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance
2. Accurate dimension of thread perfectly matches the rock drill
3. Work reliable and very cost-effective
Applications:
• Bolting, drifting
• Bench drilling
• Production drilling
Model | Taper Degree | Drilling Rod Length | Shank Size |
Hex.19mm | 4.46, 6, 7, 11 and 12 | 0.4m-4.0m | 83mm,108mm |
Hex.22mm | 4.46, 6, 7, 11 and 12 | 0.4m-4.8m | 108mm |
Hex.25mm | 4.46, 6, 7, 11 and 12 | 0.8m-4.8m | 108mm,159mm |
FAQ
Q1:
Can
I
have
a
sample
for
testing?
A:Samples
are
still
to
be
paid
but
discounted
price
can
be
provided.
Q2:
Do
you
have
the
inspection
procedures?
A:100%
strict
inspection
and
testing
for
every
order
before
packing.
Q3:
How
can
i
get
the
after
sale
services?
A:Free
replacement
will
provide
once
the
problems
casued
by
our
product
quality.
Q4:
Can
I
have
a
visit
to
your
factory
before
the
order?
A:
Sure,
welcome,
here
is
our
address:
ZheJiang,
China.
Company Profile:
Hebei Minetech Machinery Technology Co, Ltd. is located in Hebei province of China. Our company is a professional production and export tapered and thread rod, chisel and button bit and other mining drilling tools enterprises. With our rich experience for over a decade and with professional engineers and sales team, we focus on providing complete solutions for mining machinery.
The information you may like to know before order
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Within 10 days supplied from stock
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality