M21B/D rock drill – Jiangxi Woserld Rock Drilling Hydraulic Co., Ltd.

ROCK DRILLS

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M21B/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

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Product Details Technical Parameters Application Cases

Product Details

Product Details

Technical Parameters

Technical Parameters

M21B/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

Application Cases

Application Cases

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