electric handheld coal drill advantage:
1.high efficiency
2.long time service
3.Low Temperature Rise
electric handheld coal drill description:
wet coal drill
wet coal drill is a hand-held drill used in the soft coal layer and soft rock layer,with mine explosion-proof structure water injection device, can be safely used for mine where methane and coal dust explosion
Model Item | ZM12(A) | ZM12S | ZMS12Q | ZM15D | ZM15Q | ZM15S | ZMS15Q |
Spindle speed (r/min) | 520 | 425 | 520 | 640 | 520 | 425 | 520 |
torque shaft | 22 N.m | 25.4 N.m | 22 N.m | 22.4 N.m | 27.5 N.m | 33 N.m | 27.5 N.m |
Borehole Dia | Φ ( 38 ~ 45 mm ) | ||||||
Rated Power | 1.2KW | 1.5KW | |||||
rated voltage | 127V | ||||||
HZ | 50 | ||||||
Phase N | 3 | ||||||
rated current | 9A | 11.2A | |||||
efficiency | 76% | ||||||
process | S 2 -30min(half an hour intermittent work) | ||||||
Weight (kg) | 15 | 15.4 | 15.3 | 15.6 | 15.8 | 16 | 16 |