Post Hole Augers

Tractor Post Hole Earth Augers

McCormack Industries supplies a wide range of Australian made Augers to suit all Post Hole Diggers. The range includes earth, combos, rock augers as well as tree planting augers.


With a wide range of drilling heads and tooth options, we've got an auger to get the job done. 


McCormack industries post hole auger

Earth Augers - A4

Earth Augers for machines up to 5t are manufactured by Digga in Australia from quality materials.


The A4 auger range can be supplied with 3 different tooth combinations.

  • Earth Teeth
  • TC Teeth - Tungsten Carbide
  • MFT Teeth - Multi Face Tungsten Carbide  


The Earth Teeth are ideal for soft ground with no floaters (loose rocks), while TC teeth are an earth tooth with a strip of flat carbine along the leading edge to prolong its life. Perfect for soft ground with some floaters and tree roots.


MFT teeth feature pointed tungsten carbine teeth along the leading edge of the tooth to give better bite and longevity. Ideal for soft to hard ground with floaters, roots and some fracturable rock.   


Earth Rock Combo Augers - RC4

The Earth Rock Combo feature a tapered tooth with multi Face Tungsten tips.


The auger is ideal for breaking up hard ground, drilling in shale and permafrost. 


Manufactured in Australia by Digga, this RC auger allows you to drill in most ground conditions without the maintenance required by a dedicated rock auger. 

Rock Earth Combo Auger
Rock Auger Head

Dedicated Rock Augers - DR4

McCormack Industries distributes quality Australian made Digga Dedicated Rock Augers.


The DR range of augers feature a 19mm rotating rock picks. This auger is ideal for drilling fracturable rock, but it is not suited to drilling in normal ground. To be effective the rock picks need to rotate freely while drilling. Soil binds the teeth preventing them from spinning resulting in flat spots and excessive wear.


DR augers require plenty of downforce to be effective as they work to fracture the rock. If in doubt whether your machine has enough downforce please give our office a call. 


Auger Specifications

Specifications 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 - Flat Style TT - Tapered Rotating Rock Picks
Pilot PM-SQ PM-HX-3 DRP-19-15
Ideal Drives ML / PDD - PD4 PDD - PD4 Contact Us
Available Widths 100mm to 900mm 150mm to 600mm 150mm to 600mm

Related Product

Pallet Fork Frames


Designed to be used on the tractors front-end loader the Australian Made Auger drives by Digga are powerful and durable.


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