Pilot, Down the Hole Hammer, Horizontal drilling
Horizontal drilling
Casing OD mm 139,7
Casing OD inch 5 ½
Casing Max Wall mm 10
Casing Max Wall inch 0.394
Ring bit ID mm 84
Ring bit ID inch 3.307
Ring bit OD mm 158
Ring bit OD inch 6.220
Pilot bit OD mm 117
Pilot bit OD inch 4.606
Hammer 4”
Product number 03-541-139-4527