The Liebherr group has a global sales and service network. Enter your location below to access our recommended service partners in your area.

We could not find a dealer within your search radius. Here you can see the nearest dealer in your area.

We could not find a service partner within your search radius. We are showing you the nearest available service partner.

to find the contact person responsible for you.

We have special offers and content for your country.

Results per page

Please enter an alternative search text or limit results using the filter selection.

Unfortunately, we were unable to find any results.

Functions

Unfortunately, we are having technical problems processing your inquiry.

Find out more

Products

Recommendations

Search suggestions

Search

Try a different search term or check your spelling.

I want to share the following page:%0D%0A{pageUrl}

Share

Facebook

Google+

LinkedIn

Twitter

Xing

YouTube

The current page is not available in the language you selected on the previous web page

Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore.

Sorry, the desired job vacancy is no longer available.

Good day, you can find the Liebherr product comparison view at the following link: {pageUrl}

Your wish list does not contain any products.

Results are hidden by your filtering.

Leader

Casing shoe with ring bit

Leader top for auxiliary rope

Rotary drive

Casting tube

<h2>DTH hammer drilling</h2>

<p>In down-the-hole drilling a drill rod is fitted with a hammer at its lower end. The hammer, which is mounted on the drill bit, is activated through the addition of compressed air and driven into the ground – simultaneously rotating and impacting. A flushing current collects the loosened drill cuttings and conveys them upwards. This method is mainly applied for hard to very hard rock and/or for penetrating large boulders.</p>

<h3>Process principle of cased DTH hammer drilling</h3>

<p>1. Setting the DTH hammer with drill rod and casing on the drilling point.</p><p>2. Rotary and percussive drilling of the drill string under compressed air supply.</p><p>3. After reaching the final depth, unlocking of the drill rod with DTH hammer and pilot bit.</p><p>4. Withdrawal of the drill rod, DTH hammer and pilot bit out of the casing.</p><p>5. Completed cased borehole.</p>

<h2>Video: Down-the-hole drilling</h2>

<p>The video shows the down-the-hole drilling method for very hard soil or rock.</p>

<h3>Cased down-the-hole drilling</h3>

<p>A rotary drilling rig, type LB 20, working with down-the-hole hammer inside a casing.</p>

<h3>Discharge of drill cuttings</h3>

<p>A flushing current conveys the loosened drill cuttings upwards and exits at the upper end of the casing.</p>

<h2>Video: LB 16 unplugged DTH drilling</h2>

<h2>Machines</h2>

Spezialtiefbau

LB-Serie

(not set)

LRH-Serie

<h2>Get in touch</h2>

<p>If you have any further questions, please contact our local sales or service team.</p>

Solutions for deep foundation work

Info flyer Compendium deep foundation part 1: Drilling

Imprint

Data protection notice

Contact

Privacy Settings

Accessibility statement

Refrigeration and freezing

Earthmoving

Deep foundation

Tower cranes

Concrete technology

Mobile and crawler cranes

Mining

Aerospace and transportation systems

Material handling

Gear technology and automation systems

Components

Maritime cranes

Careers

Job vacancies

Professionals

Young professionals

Students

We as an employer

Company

Liebherr worldwide

History

Services

Sales and service partners

Liebherr shop

Product cybersecurity

News

News and press releases

Exhibitions and events

Visit us

Youtube

TikTok

<h1>Down-the-hole drilling</h1>

Click RELEASE VIDEO and follow the data protection notices.

<span>This video is provided by Google*. When you load this video, your data, including your IP address, is transmitted to Google, and may be stored and processed by Google, also for its own purposes, outside the EU or the EEA and thus in a third country, in particular in the USA**. We have no influence on further data processing by Google.</span><p>By clicking on “ACCEPT”, you consent to the data transmission to Google for this video pursuant to Art. 6 para. 1 point a GDPR. If you do not want to consent to each YouTube video individually in the future and want to be able to load them without this blocker, you can also select “Always accept YouTube videos” and thus also consent to the respectively associated data transmissions to Google for all other YouTube videos that you will access on our website in the future.</p><p>You can withdraw given consents at any time with effect for the future and thus prevent the further transmission of your data by deselecting the respective service under “Miscellaneous services (optional)” in the <a href="#" data-function-id="userCentricsShowSettings" data-function-id-params="null"  target="_self" class="copy-link">settings</a>  (later also accessible via the “Privacy Settings” in the footer of our website).</p><span>For further information, please refer to our <a href="#" data-function-id="crossEntryPoint" data-function-id-params="hau_privacy"  target="_self" class="copy-link">Data Protection Declaration</a> and the Google <a href="https://policies.google.com/privacy" target="_blank" class="copy-link">Privacy Policy</a>.</span><span><sup>* Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland; parent company: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA</sup></span><span><sup>** Note: The data transfer to the USA associated with the data transmission to Google takes place on the basis of the European Commission’s adequacy decision of 10 July 2023 (EU-U.S. Data Privacy Framework).</sup></span>