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What is the purpose of a depth gauge on a rotary hammer?

  1. To measure the weight of the tool

  2. To set the desired drilling depth

  3. To adjust the angle of the drill

  4. To increase rotation speed

The correct answer is: To set the desired drilling depth

The purpose of a depth gauge on a rotary hammer is to set the desired drilling depth. This tool is essential for achieving consistent and accurate hole depths when drilling into various materials. By using the depth gauge, the operator can determine exactly how deep the drill bit should penetrate, which is particularly important in applications where the depth of the hole is critical, such as when installing anchors, dowels, or other fittings. This allows for better control and precision, minimizing the risk of drilling too deep or not deep enough, which could lead to improper installations or potential damage to the workpiece.