Borer

Heat-treated, high-strength microcast steel drill bit.

Drill bit suitable for normal use and simple drilling procedures. Can tolerate percussion and lack of cooling and can be used on taphole clays (refractory materials) of medium or soft hardnesses. The standard Borer is available in the diameters and couplings shown in the table, but can be custom created to specific requirements.

Interactive 3D Render

Technical data

Standard ∅ Standard Coupling

40mm


45mm


50mm


55mm


60mm


65mm


70mm

R32

*Diameter and couplings are customizable

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GRABER is not only a supplier but also reliable partner in the development of new tailor-made solutions.

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High-quality products, designed down to the smallest detail, created with respect for the environment and high-quality standards

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