Pilot, Down the Hole Hammer, Horizontal drilling
Horizontal drilling
Casing OD mm 219,1
Casing OD inch 8 ⅝
Casing Max Wall mm 8
Casing Max Wall inch 0.315
Ring bit ID mm 147
Ring bit ID inch 5.787
Ring bit OD mm 249
Ring bit OD inch 9.803
Pilot bit OD mm 191
Pilot bit OD inch 7.520
Hammer 6”
Product number 03-562-219-3661