pultruded fiberglass grating

In addition to breaking through rocks, tunnel bench drilling bits also play a role in stabilizing tunnel walls. As tunnels are excavated, the surrounding soil can become loose and unstable, posing a danger to workers and the structural integrity of the tunnel. Tunnel bench drilling bits are used to create holes for support structures such as bolts and mesh, which help to secure the tunnel walls and prevent collapses. By stabilizing the tunnel walls, these drilling bits ensure the safety of workers and the success of the tunneling project.

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Initially, there is the direct cost of acquiring a jackhammer, which can range from a few hundred to several thousand dollars depending on its size, power, and features. Heavy-duty models designed for industrial applications are pricier, while smaller, handheld ones are more affordable but limited in their capabilities. Beyond the purchase price, maintenance costs, including regular servicing, replacement parts, and consumables like bits and blades, must be factored into the budget. These ongoing expenses ensure that the jackhammer continues to operate efficiently and safely.

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