Greenlee DTAP5/16-18 DRILL/TAP, 5/16-18 (POP)

Specifications: Suitable for 10-gauge material. Can work on mild steel, copper, brass, and aluminum. Features a 1/4' quick-change hex shank. The drill is made of hardened high-speed steel with a split point and web thinning design. Size: 5/16-18NC.

Using this drill/tap is easy. First, make sure the material you're working on is 10 gauge and made of mild steel, copper, brass, or aluminum. Insert the 1/4' quick-change hex shank into your drill. The split point with web thinning on the drill will help you start drilling accurately. When using, apply steady pressure and let the drill do its job. As for maintenance, after each use, clean the drill/tap with a dry cloth to remove any debris. Store it in a dry place to prevent rusting. Avoid using it on materials that are too thick or hard, as it may damage the drill. If you notice any signs of wear or dullness, it might be time to replace the drill bit.