1.Light weight 2.Mobile and convenient 3.Simple operation 4.Maintenance convenience 5.High drilling efficiency

ZQSJ-90/2.4 portable drilling machine; hand held drilling machine; pneumatic drilling machine; drilling machine;  

Performance parameters	unit	numerical
Rated pressure	MPa	0.5
Rated torque	N.m	90
Rated rotate speed	r/min	240
MAX speed	R/min	680
MAX output power	kw	2.4
Stall torque	N.m	110
Loading air consumption	m3/min	2.3
MAX loading toraue	N.m	100
Noise level	dB(a)	≤94
Weight	kg	22

features and application:

1.Light weight2.Mobile and convenient3.Simple operation4.Maintenance convenience5.High drilling efficiency

ZQSJ-90/2.4Potable Pneumatic Flame-proof  Drilling Machine is used in drilling holes for exploring,discharging gas and water in coal lane and coal-rock lane. With reverse rotated action, it can take out the drill rod and bit easily.It is also the ideal equipment instead of electric drilling machine for water and gas discharging under mine.

  

ZQSJ-90/2.4 Portable Pneumatic Flame-proof Drilling Machine