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| Price | $3-$300 |
| MOQ | 100 pcs |
| Delivery Time | 10-15 days |
| Brand | MTH |
| Place of Origin | CHINA |
| Certification | ISO 9001 |
| Model Number | 7 Degree Tapered Drill Rod H22 Hexagon |
| Packaging Details | wooden case |
| Payment Terms | Western Union, MoneyGram, T/T |
| Supply Ability | 5000 pieces per month |
| Usage | Rock drilling,mining,Hole Drilling | Place of Origin | CHINA |
| Use | Ore Mining,Coal Mining,quarry | Packaging Details | wooden case |
| Color | Black,Black or as per your demands | Material | Carbon Steel,Carbide |
| Shank | Hex22x108mm | Model Number | 7 Degree Tapered Drill Rod H22 Hexagon |
| Supply Ability | 5000 pieces per month | Certification | ISO 9001 |
| Name | H22 tapered drill rod | Brand Name | MTH |
| Payment Terms | Western Union, MoneyGram, T/T | Price | $3-$300 |
| Delivery Time | 10-15 days | Minimum Order Quantity | 100 pcs |
| Application | Marble Quarry,diamond drilling,connected with rock drill and rock bit |
7 Degree Tapered Drill Rod H22 Hexagon Rock Drilling Tool Mining Jack Hammer Taper Drill Rod
Prodcut information:
Also named taper rod, tapered drill steels etc.This provides a hexagonal shank 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 rod lengths available from 0.6m to 3.6m in length(Are measured from the collar to the bit end).
Tapered
drill
rod
Advantage:
1.
Through-hardened
and
heat-treatment
shank
end
for
high
wear
resistance
and
a
longer
service
life
2.
Stainless
steel
flusing
tube
lining
to
prevent
corrosion
and
breakage
3.
Super
tough
23CrNi3MoA,
40SiMnCrNiMo
or
55SiMnMo
steel,
specially
designed
for
wet
or
dry
drilling.
4.
Special
anti-corrosion
oil
to
protect
the
flushing
hole
of
the
rod.
| 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 |
| Taper Rods Grades Recommended Table | ||
| Grades | Types | Recommended conditions |
| Superior | G III, T III, | 1) Rock drills impact energy: ≥76J, typically model: YT28 |
| 2) Drilling depth: ≥ 2.5 m (8’ 2 27/64”) | ||
| 3) Rock formations: very hard, hard, medium hard and soft rock | ||
| Protodyakonov Hardness Scale: f ≥ 15 | ||
| Uniaxial Compressive Strength: ≥150 Mpa | ||
| 4) Replacements: G rod, G I rod, ROK | ||
| Normal | G I, ROK | 1) Rock drills impact energy: < 76 J, typically model: YT24 |
| 2) Drilling depth: ≤2.5 m (8’ 2 27/64”) | ||
| 3) Rock formations: Medium hard and soft rock | ||
| Protodyakonov Hardness Scale: f <15 | ||
| Uniaxial Compressive Strength: <150 Mpa | ||
| 4) Replacements: G rod | ||
| Economy | G | 1) Rock drills impact energy: < 76 J, typically model: YT24 |
| 2) Drilling depth: ≤2.5 m (8’ 2 27/64”) | ||
| 3) Rock formations: Medium hard and soft rock | ||
| Protodyakonov Hardness Scale: f <10 | ||
| Uniaxial Compressive Strength: <100 Mpa | ||
