Digga’s DR6 auger bits feature rotating rock picks and are specially designed for drilling from soft fracturable rock to very hard rock. DR6 auger bits also feature short flighting to encourage regular spoil removal, allowing cool air to enter the hole and facilitate regular inspection of its carbide bullet teeth. For smaller holes, or smaller drilling drives, Digga has made available DR4 auger bits. For larger diameter holes or larger drilling drives, DR11 auger bits are also available. Specifications Drilling Conditions Dedicated Rock Hub 2.5" Hex Optional Hub 2" Hex Overall Length 60" Pipe 3" - 5.5" Flights (Lead) 13/16" Flights (Carry) 5/8" Teeth 3/4" Rock Pick Pilot RPT Max Size 60" Ideal Drives 4DD-7DD Optimum Drilling Speeds Earth N/A Clay N/A Shale (Fracturable Rock) 25-45 Heavy Rock 10-25 Auger Features Double start, single carry flight configuration. Shallow flight pitch for max spoil removal. Short flighted augers, encourages regular removal of spoil, allowing cool air to enter the hole & regular inspection of teeth.
