Digga DR11 Dedicated Rock Auger Bits

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DR11 auger bits feature short flighting to encourage regular spoil removal, allowing cool air to enter the hole and facilitate regular inspection of its carbide bullet teeth. Digga ’s DR11 AUGER features rotating rock picks and is specially designed for drilling from soft fracturable rock to very hard rock. For smaller machines, smaller holes, or smaller drilling drives, DR4 auger bits and DR6 auger bits are also available from Digga. Digga has over 40 years of auger bit design and manufacturing experience. Our range is designed with the ultimate in performance, quality, and added value. DR11 Auger Bit Specs Drilling Conditions Dedicated Rock Hub 4" Hex Optional Hub 5" Hex Overall Length 60" Pipe 3" - 5.5" Flights (Lead) 13/16" Flights (Carry) 5/8" Teeth 3/4" Rock Pick Pilot DRP-19T Max Size 60" Ideal Drives 20DD-30DD, SD45-SD95 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. Show more