If it passes this initial test, chuck the bit into your drill and give it a whirl. If it’s properly sharpened, it will begin to make a hole with very little pressure. Test your new and improved drill bit by holding the tip against a piece of scrap wood and turning it clockwise by hand. If not, make grinding adjustments until the two sides center up. The two cutting edges should meet to form a center point. When both edges are sharpened, check to make sure they’re the same width by looking at the drill bit end-on.If this is done evenly, the bit will perform better. As soon as the edge is sharpened enough, rotate the bit a half-turn and sharpen the other side of the face.Dip the bit into water frequently to keep it cool. When sharpening drill bits, the steel will heat up.This will cause the cutting edge to contact the material first when in use. The heel of the bit’s cutting face, or the back of the end, should be ground slightly more than the edge.Instead, this will make a newer, flatter cutting surface. Don’t worry about maintaining the original curvature. Slowly bring the bit in contact with the wheel, keeping it as straight as possible without rotating or turning it. You only want to remove as much metal as is needed to clean up and sharpen the edge. Hold the drill bit so that the cutting end is parallel to the surface of the grinding wheel.Be very careful about how you position your hands and wear safety glasses. WARNING: your hands will be near a dangerous sharpening device! Gloves run the risk of getting caught in the machine and pulling you in – so don’t wear them. It’s not a perfect method, but if done right, this technique will save you money and time, getting you back into action fast.Ģ) a bench grinder or belt sander Safety Precautions This article demonstrates the old-school way of sharpening by hand. Keep in mind that sharpening your drill bits can be a rather tricky process. If there’s a project coming up that requires some drill work and your drill bits are getting a little worn, but you’re not too keen on trekking out to the local hardware store, then read on! There’s actually a simple little technique you can do – whether your drill bits are chipped, broken, or just plain worn out – that will transform them back (or almost back) to their original sharpened luster! Sharpening Your Drill Bit We may earn commission from our brand partners when purchasing products through our links. She has a wide range of knowledge and, because of this, has been able to contribute to a variety of different genres, including article and blog writing.Īs an editor, she has polished and perfected an array of pieces for diverse readerships and audiences. We can offer grinding machines for fixed installations and field operations.Anna Ryan is a writer, copywriter and editor. And remember, thanks to Epiroc´s extensive service network, a good regrind is only a phone call away. There’s only one good piece of advice we can give you – don’t make a decision before talking to us. To further complicate matters, no two rocks are the same. There are many different types of bits, some with inserts and others with buttons – and they come in many different sizes. The process of manufacturing the grinding wheels is therefore a controlled and precise process and is necessary for good performance. Grinding wheels life span can vary from less than a day to many years, depending of the release of individual grains, dull growing and that they increase drag pulls out of the bond. In a drill bit grinding machine, the grinding wheels are composed of abrasive compounds. How? By using the market’s widest selection of efficient, ergonomically designed grinding machines for fixed installations and field operations – Epiroc grinding machines. In fact, you will reduce overall drilling costs. And with these bits you cut the time and manpower needed to drill the hole. For a really small investment of your overall drilling costs, you can restore your worn bits to their former glory. And secondly, you need to spend time and energy grinding your bits. Maintaining penetration can therefore save you money.įirstly, you need good grinding equipment for a start – and you won’t find any better than Epiroc´s. The answer to this problem is a comprehensive range of grinding equipment. If you spend your hard-earned money on drill bits that have to be constantly replaced, then you’ll start wondering if you can’t get better value elsewhere.
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