High
Quality
11
Degree
Taper
Drill
Steel
Rod
Special
Hard
Rock
Drilling
Hole
Machine
Part
H22
Taper
Drill
Pipe
for
Mining
Product
Introduction
High
Quality
Taper
Drill
Steel
Rod
designed
for
extreme
hard
rock
drilling
in
granite,
featuring
durable
construction
with
not
broken
tip
part,
not
broken
body,
and
not
broken
shank.
Available
in
various
taper
angles
(7°,
11°,
12°)
and
lengths
from
800mm
to
8000mm,
made
of
high-quality
carbide
and
steel
for
superior
durability
and
performance.
Applications
-
Underground
mining
-
Tunneling
-
Quarrying
-
Widely
used
in
bench
and
long
hole
drilling
-
Engineered
for
soft
to
medium-hard
rock
formations
Product
Specifications
|
Drill
Rod
|
Length(mm)
with
shank
|
Foot
|
Weight
approx(kg)
|
Taper
|
Shank
|
|
Tapered
Drill
Rod
|
1320mm
|
4''
|
4.4
|
7,11,12
degree
|
108mm
|
|
Tapered
Drill
Rod
|
1632mm
|
5''
|
5.4
|
7,11,12
degree
|
108mm
|
|
Tapered
Drill
Rod
|
1936mm
|
6''
|
6.4
|
7,11,12
degree
|
108mm
|
|
Tapered
Drill
Rod
|
2546mm
|
8''
|
8.4
|
7,11,12
degree
|
108mm
|
Product
Images