Down-the-hole drill bit DTH-RoX+ 219,1/6

with buttons

Pilot, Down the Hole Hammer, Single-use Piling, micropiling and underpinning Water and thermal well drilling Site investigation Casing OD mm 219,1 Casing OD inch 8 ⅝ Casing Max Wall mm 6 Casing Max Wall inch 0.236 Ring bit ID mm 186 Ring bit ID inch 7.323 Ring bit OD mm 234 Ring bit OD inch 9.213 Pilot bit OD mm 205 Pilot bit OD inch 8.071 Hammer 6’’ Product number 03-562-219-0238