Product info

Single-use system for down the hole hammer

Sometimes overburden is thick and full of boulders. Robit® Single-Use Casing System for DTH Hammer enables easy, fast, and reliable drilling process in all conditions. Robit® Single-Use Casing Systems are available for all the common Down The Hole hammers and are designed for all the applications where the casing is left in the ground.

Casing OD (mm)177,8
Casing OD (in.)7
Casing Max Wall (mm)6,9
Casing Max Wall (in.)0.272
Ring bit ID (mm)153,5
Ring bit ID (in.)6.043
Ring bit OD (mm)195
Ring bit OD (in.)7.677
Pilot bit OD (mm)162
Pilot bit OD (in.)6.378
Product number03-562-177-0227

Compatible products

DTH-RoX+ 177,8/6,9
Ring, Down the Hole Hammer, Single-use