Forging Tapered Rock Drill Rods / Steels 19mm - 41mm Hole Diameter
JCDRILL Integral Tapered Drill Rods
Tapered drill rod,another name called taper rod, tapered drill
steels, This provides a hexagonal chuck section to provide leverage
for the rotation chuck bushing. It usually has a forged collar to
maintain the proper shank striking face position in the rock drill,
and a tapered bit end. Tapered steel lengths— available from 0.6m
to 3.6 m in length—are measured from the collar to the bit end.
A wide taper degree is normally used when drilling with high impact
hydraulic rock drills in medium hard to hard and abrasive rock
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
If the tapered drill rod was sheared, it can be restored by
re-machining a new taper.
Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 7,
11, 12 degree taper in most lengths, taper degree of drill steel is
mostly imports for excellent drilling productivity.
For drilling medium-hard to hard and abrasive rock formations,Taper
angles of 11 and 12 degrees are normally used on modern drill rigs,
like YT28B, YT29A, Y24, YT24, Mobile rock drill pneumatic and
For low impact rock drills and softer rock formations, a narrow
tape range of 7 degrees is used, such as Indian, Saudi's granite
and marble quarry.
A comprehensive range of taper button bits, cross bits and chisel
bits with 7, 11, 12 degree taper.
We provide "one equipment & one case, endless service, namely
the after sales service begin from the order confirmation, last for
the working life of the equipment.
|Every machine issued shall enjoy a one-year/2000 working hour
warranty period, during which we will repair or replace the
defective parts free of charge if material or process defects occur
and spare parts are in normal working condition.||JCDRILL is dedicated to provide our clients with genuine spare
parts with the highest quality,exact fitness and appropriate
function.with our global distributor network,you are guaranteed
with fast deliveries and services|
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as
we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How to order
Shank Style + rod Length + Head Diameter.
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