Product info

Multi-use system for down the hole hammer

In some overburden drilling applications the casing has to be removed from the ground. This sets higher requirements on the durability of the equipment. Double groove design* in the casing shoe and the best materials available guarantee that Robit® Multi-Use system does not fail even in the most difficult conditions. Robit® Multi-Use system is available for all the common DTH hammers.

Casing OD (mm)219,1
Casing OD (in.)8 ⅝
Casing Max Wall (mm)12,7
Casing Max Wall (in.)0.500
Ring bit ID (mm)172
Ring bit ID (in.)6.772
Ring bit OD (mm)229
Ring bit OD (in.)9.016
Pilot bit OD (mm)192
Pilot bit OD (in.)7.717
Hammer6’’
Product number03-562-219-0240

Compatible products

DTH-RoX MU 219,1/12,7
Ring, Down the Hole Hammer, Multi-use