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Spiral Auger from Dormer Engineering

These are used to drill hard compacted soils or very decomposed rock. They drill faster and are stronger than the soil augers but require greater care for accurate sampling. They come in 50mm and 62mm diameters and either full length spiral or a 300mm spiral piece mounted on a tubular steel shank. All are available in 1.0 metre or 1.5 metre lengths.

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