![]() ![]() ![]() As soon as you get your desired sharpness of the cutting edge, check if the widths are the same.Ready a basin of water next to you to cool the drill bit when it gets too hot while grinding.The heel side of the bit should be ground a little bit more than the edge.Bring the drill bit in contact with the wheel as straight as possible.Hold the bit and make sure the cutting face is parallel to the grinding wheel.You can sharpen your drill bits freehand. If you have a bench grinder sitting in your garage or work area, you do not have to buy a sharpening tool. Grinding Drill Bits Using a Bench Grinder You can make wooden blocks to serve as your guide when you need to sharpen small drill bits. 10) Finished Drill BitĪ properly sharpened drill bit should have no rounded, worn out edges. Make sure the flute of the bit rests on the sharpening guide’s tip. Make sure the motor and wheel are off for safety. 9) Wait for the Motor to Turn Off and the Wheel to Stop Sharpen one side first and then the other. Keep turning and rotating the tool to sharpen the bit. Start the grinding motor and swing the bit’s tip to the right. The sharpening tool’s base should be square to the grinding stone. It would be very difficult to sharpen and the bit will become hot. Remember, if it is too close, you will lose more material than necessary. While sharpening, it is better for the drill bit to kiss the grinding wheel. 7) Clamp the Sharpening Tool to the Table For grinding, you can use a radial arm saw. The tip of the drill bit should be equal with the center of the motor shaft. Adjust the rear nut and tighten the metal colored one.Ħ) Align the Bit’s Height with the Grinding Wheel Find the colored metal nut and loosen it. Make sure the end of the bit is movable in the tool’s trough and not just hanging in the air. Set the sharpening guide according to the length of the drill bit you want to sharpen. 5) Set the Sharpening Tool for the Drill Bit Length 4) Clamp the Drill Bit in the Sharpening ToolĪfter setting the overhang, turn the screw that clamps the drill bit in the sharpening tool’s trough. If the bit is close to ideal, it will cut the steel more efficiently. Between the low points of the fluting, the edge should run between it. The ideal cutting edge angle is to have the shortest cutting edge possible. This matters because if you fail to adjust accordingly, you may damage your sharpening tool and the drill bit may result in being too flat. You must start by making the overhang equal to the radius of the drill bit. 3) Adjust Angle According to the Overhang of the Cutting Edgeĭrill bits have different cutting edges and overhang. You may have to lower or raise the tool’s tip against the bit’s flute to make sure the edges fit properly. The sharpening tool has a small tip dedicated to the edges of the drill bit’s flutes. If you have drill bits of a 59 degrees profile on the cutting edge, use the sharpening guide and set it to the same degree. Here are some tips you can use when sharpening drill bits with a sharpening tool. Most commercial sharpening tools accept drill bits of different profiles. You won’t have to worry if you have drill bits of different profiles. To make the job easier, you can purchase a bit sharpening tool with a sharpening guide. It can save you money if you sharpen your drill bits rather than replace them with new ones. However, they wear out too after several uses. Investing in drill bits can be expensive but it is a good decision. As the bit touches the grinding wheel, tilt the shank simultaneously farther left and downward, as you twist it clockwise. It should be held with a shank angled at about 59 degrees to the left for best result. What is the Best Angle to Sharpen a Drill Bit?Īny experienced drill bit user can sharpen a standard drill bit by hand. That is why you must learn how to sharpen a drill bit. They do not get the job done and they cause accidents. But in order for them to be effective, they must be sharp. It is so convenient to own several different kinds of drill bits for simple home repairs and do it yourself projects. They come in a huge range of sizes, shapes, and purpose. ![]()
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