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Qingdao Elite Hydraulic Co.,Ltd

City:qingdao

Province/State:shandong

Country/Region:china

Contact Person:MrDavid

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

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

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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

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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

Technical Parameters

HM21B/D Rock Drill
Structure
Dimension	mmmmmm	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