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One of the primary functions of a tunnel bench drilling bit is to break through rock formations. Rocks are often encountered while digging tunnels and can pose a significant challenge to construction workers. Tunnel bench drilling bits are equipped with sturdy and durable materials that enable them to crush through rocks with ease. The design of these bits allows them to create boreholes of various sizes, making them versatile tools for tunneling projects.

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Button bits, named after their distinctive button-shaped carbide inserts, are primarily made from high-quality steel with tungsten carbide tips. The tungsten carbide buttons on the bit's surface provide exceptional wear resistance, enabling them to withstand the intense pressure and friction generated during drilling. The manufacturing process is intricate and demands precision engineering to ensure optimal performance and durability.

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