Pilot, Down the Hole Hammer, Multi-use
Piling, micropiling and underpinning
Site investigation
Casing OD mm 508
Casing OD inch 20
Casing Max Wall mm 15
Casing Max Wall inch 0.591
Ring bit ID mm 414
Ring bit ID inch 16.299
Ring bit OD mm 526
Ring bit OD inch 20.709
Pilot bit OD mm 472
Pilot bit OD inch 18.583
Hammer 12-15”
Product number 03-523-508-0146