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Drill bits dull over time. This affects their performance. Consequently, drilling becomes harder. Moreover, dull bits can damage materials. So, sharpening is important. Here's how to sharpen drill bits. This ensures optimal performance. Safety First Always wear safety glasses. Metal shards can fly off. Also, wear gloves for protection. Secure the drill bit firmly. Use a vise if possible. Then, ensure good lighting. This helps you see clearly. Gather Your Tools You will need a bench grinder . A drill bit sharpening jig is helpful. Furthermore, have a metal file ready. Water is also essential for cooling. Lastly, a measuring gauge is useful. The Sharpening Process First, inspect the drill bit. Identify the cutting edges. Notice the relief angle. This is crucial for proper sharpening. Next, adjust the tool rest on the grinder. Set it at the correct angle. Generally, 59 degrees is standard. Now, hold the drill bit securely. Rest it on the tool rest. Carefully bring it to the grinding ...