Product info

Single-use system for down the hole hammer

  • Ideal for overburden that is thick and full of boulders
  • Enables easy, fast, and reliable drilling process in all conditions
  • Available for all the common down the hole hammers
  • Designed for all applications where the casing is left in the ground
  • Highly suitable for the drilling of both water wells and thermal wells
Casing OD (mm)273,0
Casing OD (in.)10 ¾
Casing Max Wall (mm)8,0
Casing Max Wall (in.)0.315
Ring bit ID (mm)242,0
Ring bit ID (in.)9.528
Ring bit OD (mm)304,0
Ring bit OD (in.)11.969
Pilot bit OD (mm)255,0
Pilot bit OD (in.)10.039

Compatible products

DTH Nova 273-8
Ring, Down the Hole Hammer, Single-use