carbide conical button bits designed for efficient rock drilling ...

To begin the drilling process, it is important to first assess the condition of the limestone. This includes determining its thickness, density, and any potential weaknesses or fractures. Once these factors have been evaluated, a suitable drill bit must be selected. For limestone, diamond-tipped drill bits are typically the most effective option as they can withstand the high temperatures and pressures generated during drilling.

...

One of the primary benefits of using a long flexible drill bit extension is safety. It reduces the need for manual manipulation in awkward positions, thereby minimizing the risk of injury or strain It reduces the need for manual manipulation in awkward positions, thereby minimizing the risk of injury or strain It reduces the need for manual manipulation in awkward positions, thereby minimizing the risk of injury or strain It reduces the need for manual manipulation in awkward positions, thereby minimizing the risk of injury or strainlong flexible drill bit extension. It also enhances accuracy, preventing accidental damage to surrounding surfaces due to misaligned drilling.

...