The New Hi Shear/Quackenbush Nutplate Drill .50 diameter foot piece is an aircraft tool essential for engineers and mechanics. With a spacing of .500 inches, this drill provides the perfect fit for plane engine nutplates. Its high-quality design ensures precision and durability in any repair or maintenance task. This tool is made from corrosion-resistant alloy, making it ideal for use in extreme weather conditions or high-stress environments. Its ergonomic grip allows for easy handling and use, even in tight spaces. The New Hi Shear/Quackenbush Nutplate Drill .500 spacing foot piece is the perfect addition to any aviation tool kit, offering reliable performance and long-lasting durability.