It is important to center both cutting surfaces of the bit, so they meet each other. Repeat the same process on the other side if you are satisfied with the first face. Now, check that it has a well-honed cutting edge after taking it out of the water. Drill bits that do not cool properly may become too hot to hold and might even wear out the metal faster.įurthermore, when it becomes hot, its sharpness decreases. Without that, you will risk burning your hands if you do not cool the drill bit.ĭip the drill bit in water after grinding for four or five seconds to cool the metal. Make sure you always keep a bucket of cold water handy when you are sharpening your Makita drill bit. For the best result, when sharpening the twisted shaft, point it where the shaft meets the tip- not the edge. Overdoing it at one time may lead to damage to the drill bit.
No more than five seconds should pass between the drill bit and the grinder. Thus, aim for a 60-degree setting similar to that found in the factory. Now, gently press the grinder against the unwanted metal and let it be smooth. To ensure smooth grinding, turn the grinder on and position the drill bit parallel to the wheel. Start by grinding the worst drill bits over the coarser wheel, then progress to finer wheels.Īlso read: these are the best drill bit sharpeners you can buy 2. To achieve a sharp edge, you should focus on removing as little metal as possible. The first step is to identify the dull drill bit that needs attention and separate it from other sharp drill bits. Avoid overheating the drill bit with a bucket of water. Drill bits tend to overheat, causing them to become duller.To test how sharp your drill bit is, use some scrap wood.Often, gloves cause you to lose your grip, so make sure they fit well in your hands if you like to wear them. You may choose to wear gloves if you wish.It’s important that you stay protected since you will be close to the action.
Any work that involves sparks or thin slivers of metal requires safety goggles (like these).As an alternative to a grinder, you can use a belt sander (some of these are perfect). A bench grinder with fine and coarse grinding wheels.If you are thinking about hand sharpening your drill bits, here are a few handy tips to help you.