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4 Series augers for drilling - Digga Australia
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4 Series augers - 5T

Our 4 Series augers boast effective cutting heads for efficient drilling, and suit mini loaders, skid steer loaders, and excavators up to 5T. Depending on ground conditions, you can choose a bladed or tapered cutting head, or rotating rock picks. For deeper holes, a full range of auger extensions are available for your specific requirement.

Australian made quality

With over 30 years of auger design and manufacturing using the highest quality material, Digga augers boast extremely efficient cutting head designs, heavy duty tubing, and optimum flight pitches to provide maximum spoil removal in all ground conditions.

Easy fit design auger extension - Digga Australia

A4 earth

Drill holes in light earth conditions and clay. Numerous teeth options are available for most ground conditions. Available in Earth, Tungsten, or MFT forgeneral drilling. Easy PADLOC knock in and out teeth require no special tools. Watch our earth auger overview video.

Easy fit design auger extension - Digga Australia

RC4 earth/rock

Digga's RC4 Augers come with tapered tungsten TAPERLOC teeth, which are designed for drilling in earth, shale, asphalt, permafrost and fracturable rock.

Easy fit design auger extension - Digga Australia

DR4 dedicated rock

DR augers feature rotating rock picks for drilling from soft fracturable rock to very hard rock. Featuring short flighting, the design encourages regular spoil removal, allowing cool air to enter the hole, and facilitate regular tooth inspection. Watch our rock auger overview video.

Easy fit design auger extension - Digga Australia

Choose from a range of hub options

Match the hub style of your existing auger drive or drilling rig with square and round hub options.

Easy fit design auger extension - Digga Australia

Wearparts & pilots

Our extensive range of quality wearparts and pilots are designed to suit most ground conditions. Choose from a range of flat, chisel, tapered teeth, or rotating rock pick configurations.

Custom solutions

Our experienced drilling specialists will help you in constructing the right auger for your needs. Everything from the right cutting head to flight and pitch configurations and also choosing the right wear parts and accessories. See custom augers.

Specification A4 RC4 DR4
Drilling Conditions General & Clay Combo Earth & Rock Dedicated Rock
Standard Hub 65mm Round 65mm Round 65mm Round
Hub Options 50.8 mm Round / 57 mm Square / 75 mm Square 50.8 mm Round / 57 mm Square / 75 mm Square 75 mm Square
Overall Length 1200 mm 1200 mm 1200 mm
Flights (Lead) 8 mm 8 mm 12 mm
Flights (Carry) 8 mm 8 mm 8 mm
Teeth TS TT 19 mm Rotating Rock Pick
Pilot PM-SQ PM-HX-3 DP-UAPC3HXRH-SA
Ideal Drives ML / PDD - PD4 PDD - PD4 PDD - PD4
Optimum Drilling Speeds - RPM
Earth 55-65 55-65 Not Recommended
Clay 45-55 Not Recommended Not Recommended
Shale (Fracturable Rock) 25-45 25-45 25-45
Heavy Rock N / A N / A 10-25