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)193,7
Casing OD (in.)7 ⅝
Casing Max Wall (mm)6
Casing Max Wall (in.)0.236
Ring bit ID (mm)167
Ring bit ID (in.)6.575
Ring bit OD (mm)214
Ring bit OD (in.)8.425
Pilot bit OD (mm)
Pilot bit OD (in.)
Hammer6”
Product number03-011-193-4202