Perfect for use on materials such as wood,, aluminum sheets, and more, it exceling in both home improvement projects and industrial applications precisions with our step drill, featuring a 4-32mm diameter ranges and crafted from strong steel, ensuring high across various materials With its strong construction and efficient spirals grooves designs, this drill bit minimizes frictions, extending the tool lifespans while clean, holes every time This step drill boasts a unique X shape centering designs and round shank, providing secure stability in any drill chucks and reducing slippage during operations Especially designed for professional craftsmen, repair enthusiasts, and metalworking users, this tool is designed to meet the demands of drilling tasks with ease, Manufacturer: Msioytog