Our flushing heads are essential components for drilling with fluid-assisted methods (e.g., flush drilling). Their functions include:

Transport of Drilling Fluid: They precisely deliver the medium (water, flushing fluid) to the drill bit, while flushing drilling cuttings (clay, sand, gravel, rock) upwards and ensuring continuous material removal.

Cooling and Coolant Management: They ensure the cooling of drilling tools (e.g., drill bit, auger) and minimize heat generation and associated wear.

Borehole Stabilization: Controlled flushing stabilizes the borehole; flushing heads help to compensate for water ingress or unstable ground conditions.

Reduction of Friction and Energy Consumption: A well-dimensioned flushing head supports the efficient use of fluid thrust and reduces energy losses due to excessive pressure drops or turbulence.

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Technical Specifications & Product Range

• Standard Diameters: 88.9 mm and 114.3 mm (generally always in stock)
• Material Selection: high-strength steel, coated or hardened surfaces
• Connection Types: Flange, Thread, specific fitting for your drilling system
• Designs: Straight flushing heads, flushing heads with centering tip, variable flushing slots or nozzle arrangement
• Dimensions & Design: Wall thickness, flushing grooves/lamellae, length designed to minimize pressure loss and maximize flow

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Our flushing heads can be used in the HDI process for:

• 1-pass HDI
• 2-pass HDI
• 3-pass HDI