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21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
Specifications
Model NO. :
HM21B/D
Drill Hole Depth :
<100m
Bit Type :
Button Bit
Drilling Way :
Top Hammer
Shank Types :
R32/R38/T38/T45/T38L/R38L
Dimensions :
846.5X301X199mm
Flow Rate :
95-118 L/Min
Drilling Diameter :
45-76 mm
Power :
21kw
Transport Package :
Wooden Boxes
Specification :
846.5X301X199mm
Trademark :
Elite
Origin :
China
HS Code :
84314320
Supply Ability :
90000 Pieces/Year
After-sales Service :
24h
Warranty :
1 Year
Certification :
ISO 9001, ISO 14001, IATF16949
Condition :
New
Motor :
Hydraulic
Drill Hole Diameter :
<100mm
Customization :
Available | Customized Request
Place of Origin :
China
Packaging Details :
Wooden Boxes
Delivery Time :
Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays
Payment Terms :
LC, T/T, D/P, PayPal
MOQ :
5
Description
HM21B/D rock drill
Product Description
High-Power Rock Drill Suitable for Mining and Underground Engineering Anchor Bolt Hole Drilling

Impact Power: 21 kW
Drilling Diameter: 45-76 mm

Product Details


Impact Piston Design: The impact piston is designed to match the dimensions of the drill rod, effectively minimizing impact stress and prolonging equipment lifespan.
Efficient Hydraulic Dual-Damping System and Floating Joint: Equipped with an efficient hydraulic dual-damping system and a floating joint, significantly enhancing the productivity of the rock drill while improving the economic efficiency of the drill rod by reducing wear and replacement frequency.
Powerful Infinitely Variable Speed Bi-Directional Motor: The rock drill features a powerful infinitely variable speed bi-directional motor, providing high torque output and excellent speed control, making it suitable for a wide range of challenging conditions and boosting operational efficiency.
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling



21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling

Technical Parameters

HM21B/D Rock Drill
Structure
Dimension mm*mm*mm 846.5X301X199
Weight KG 175
Center Height mm 86
Shank - R32/R38/T38/T45/T38L/R38L
Hole Diameter mm 45-76
Impact Functions
Max. Impact Power KW 21
Oil Inlet Pressure Bar 165-200
Impact Frequency HZ 55-63
Flow L/min 95-118
Impact Energy J 252-330
Rotation Functions
Displacement CC 100/125/160
Rotation Speed Rpm 303/303/296
Max. Torque Nm 477/597/764
Oil Inlet Pressure Bar 210
Flow L/min 48/60/75
Others
Water Pressure Bar 14-25


21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling

















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21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling

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Product Detail
Model NO. :
HM21B/D
Drill Hole Depth :
<100m
Bit Type :
Button Bit
Drilling Way :
Top Hammer
Shank Types :
R32/R38/T38/T45/T38L/R38L
Dimensions :
846.5X301X199mm
Contact Supplier
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling
21kw Power Rock Drill for Mining and Underground Engineering Anchor Bolt Hole Drilling

Qingdao Elite Hydraulic Co.,Ltd

Verified Supplier
2 Years
shandong, qingdao
Since 2004
Business Type :
Manufacturer
Main Products :
Planetary Gearbox, Travel Track Gearbox, Truck Mixer Gearbox
Total Annual :
10000000-15000000
Employee Number :
101~200
Certification Level :
Verified Supplier
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