Feature
1- Throughout ventilation hole
2- Rock Pilot
3- Hard facing strips for wear protection
4- Kelly box size as per customer demand
Parameters
|
Single-cut
|
Double-cut
|
Drilling Diameter (mm)
|
Weight (kg)
|
Weight (kg)
|
520
|
681
|
|
700
|
932
|
|
800
|
1076
|
|
900
|
1258
|
|
1000
|
1437
|
|
1200
|
1885
|
1885
|
1500
|
2450
|
2330
|
1800
|
|
3680
|
2000
|
|
4240
|
2500
|
|
5620
|
Other sizes can be customized.