Which tool in the power island is specifically used for drilling holes in workpieces?

The tool specifically used for drilling holes in workpieces within the power island is the drill press. A drill press is designed to deliver precise and consistent drilling depth and alignment, allowing for a uniform finish and accuracy, which is essential in aerospace applications where tolerances are critical. The stationary nature of the drill press provides stability and control, reducing the risk of error compared to other tools.

In aerospace assembly, the ability to drill precisely is crucial for joining parts, creating mounting points, and ensuring structural integrity. The drill press typically features adjustable speed settings, allowing mechanics to select the appropriate speed for different materials, further enhancing its versatility.

Other tools listed, such as a portable drill, band saw, and belt sander, serve different functions: the portable drill is more suited for on-the-go applications and is less versatile in terms of precision, the band saw is used for cutting materials rather than drilling, and the belt sander is designed for finishing surfaces rather than creating holes.