|
Petrol engine power |
1.20KW |
|
Borehole diameter |
14-36mm(hollow drilling bit and twist bit (diameter≤13.5) |
|
Rated rpm |
280r/min |
|
Drill precision |
Hole position tolerances≤1mm |
|
Drilling time |
≤40s |
|
Machine weight(including handle) |
20kg |
|
Rail weight per meter |
43-75kgs |
Your Name 
Email or cs@chinacoalintl.com
Tel/Wechat/Whatsapp or +8615376502829 
Country
Enquiry 