Drill point jig

thingiverse

Drilling, reaming, and tapping are fundamental machining operations that can be performed on most metals, including aluminum, steel, and copper. Drilling is the process of creating a hole in a metal part using a drill bit. Reaming is a finishing operation used to enlarge an existing hole to precise size and tolerance. Tapping is the process of cutting threads into a metal part using a tap. Drilling operations typically involve three stages: roughing, semi-finishing, and finishing. The roughing stage uses a coarse drill bit to quickly remove material from the workpiece. The semi-finishing stage uses a slightly finer drill bit to gradually reduce the hole size. The finishing stage uses a very fine drill bit to achieve precise tolerances. Reaming is often performed after drilling to ensure accurate hole sizes and to prevent deformation of the surrounding metal. Reaming can be done using either a hand reamer or a power-driven reamer. Hand reamers are used for small holes, while power-driven reamers are more effective for larger holes. Tapping involves cutting threads into a metal part using a tap. The tap is inserted into the hole and rotated to create the desired thread pattern. Taps can be either right-hand or left-hand threading, depending on the application.