Depend on Diedrich


The Industry Standard the D50


The Powerful D120      


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Hex Extensions

About us    

We manufacture, sell and service quality drilling equipment and tooling for the geotechnical, environmental, geothermal, and groundwater industries.

Since 1973, Diedrich Drill has provided our customers with the highest quality products and services. Throughout the years, we have used our experiences along with our customer feedback, to produce the most innovative new concepts and designs in the market.

If you don't see what your looking for or have any questions about our products and services, please call our sales staff. They will be happy to help. (800) 348-8809.         

New D-50 Shear Coupling

Automatic SPT Hammer

Rental Equipment, Rates and Agreement

7 Great reasons to Buy a Diedrich Rig

Diedrich HD Undercarriage w/ Radio Control


Performance ratings are based on engineering specifications, calculations and accepted industry standards. Capacities may vary according to drilling conditions. Diedrich Drill reserves the right to amend these specifications at any time, without notice

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