Pre Auger

What are Pre Augers?

A Pre-Auger or Piling Auger is a type of drill that incorporates a helical screw blade, sometimes called a ‘flight’ which in construction is used to drill or loosen earth in preparation for driving sheet piles.

What Can Pre Augers be used for? 

Pre augering is chiefly used in difficult stiff ground conditions where it is necessary to pre-drive the soil in order to turn non-cohesive soil into cohesive soil, thus enabling piles to be driven much more easily through the loosened ground.

What are the benefits of Pre Augers?

A Pre-Auger is fitted to an excavator in the same way as an Excavator Mounted Vibrator (EMV) and using the pre-augering method means a vibratory hammer can be used in place of an impact hammer.

Using a piling auger as a method of preparing the soil is beneficial for a number of reasons:

  • Far Safer Solution
  • Faster than conventional piling methods
  • Environmentally Friendly
  • Much quieter than using impact hammers
  • Reduced hire and transport costs
  • Guaranteed drivability
  • Excavator size 13-25 tonne


Height 1520mm Maximum output torque at 450 Bar 32,327Nm
Diameter 406mm Maximum rotational speed at 300LPM 66 RPM
Drill Diameter 300mm - 450mm - 600mm Maximum operating pressure 450 Bar
Drill Length 3000mm Oil flow range 100 - 300LPM
Extension Length 3000mm Flow and return port termination 1-1/2" BSP
Weight 460 KGS Drain line port termination 1/2" BSP
How to hire Pre Augers from Piletec?

For more information on hiring Pre-Augers from Piletec, plus a range of ancillary excavator attachments, simply follow our Contact Us link or ‘Add to Enquiry Basket’ to find out what’s on offer, or send for a product brochure.

Technical Library

Pre Auger Video

Pre Auger Video

Short video detailing Pre Auger technique offered by Piletec, the safest and most efficient way...


Hydraulic Hammers User Guide

Hydraulic Hammers User Guide

User Guide for use of Hydraulic Hammers (Piletec Attachments)