What is used to adjust the cutting depth of the countersink cutter?

The sleeve is a critical component used to adjust the cutting depth of a countersink cutter. This part typically contains a threaded section that allows the cutter to be raised or lowered to the desired depth. By turning the sleeve, the operator can fine-tune how deep the cutter goes into the material, which is essential for achieving precise countersink dimensions.

Using the sleeve to adjust the depth ensures uniformity and accuracy in the countersinking process, which is especially important in aerospace applications where tolerances are strict and quality must be consistently maintained. This adjustment mechanism allows for both quick changes and fine-tuning, making it reliable for various materials and thicknesses.

In contrast, other options like the handle, knob, and locking mechanism, while they may play roles in operating the cutter or securing it in place, do not specifically serve the purpose of adjusting the cutting depth itself. The handle may assist in gripping or maneuvering the tool, the knob could be related to a different function, and the locking mechanism is primarily for maintaining the chosen setting once adjustments have been made.