Sharpen drill bits with lathe12/9/2023 ![]() DO NOT wear gloves as they can actually get caught into the sharpening device and pull you in. ![]() WARNING! Your hands will be very close to the sharpening device, and dangerously at risk with losing some skin. So without further adieu, here's what you’ll need: My trainer and I have gotten so good, in fact, that whenever we’re given those cheap HSS China bits (that pretty much everyone has in their garage), we’ll pull them right out of the box and sharpen them before their first use. Now, I’m not saying that after this tutorial, you’ll be able to achieve a perfectly sharp drill bit, but it will get you through the next job until you get enough practice to really put an edge on your cutting tools. So what’s going to be demonstrated here is a kind of lost art-sharpening by hand on a belt sander or bench grinder. ![]() In fact, you’ll notice that most of those fixturing devices or machines cost a lot of money, and very rarely do they ever give you something close to a factory sharpen (unless of course you fork out enough to buy an industrial sharpener). When I started my job as a machinist nine years ago, my trainer was skeptical about using any kind of automatic machine or fixture to re-sharpen our drill bits. Well before you head over to the hardware store to buy yourself a brand new box of drill bits, try this simple technique first and save yourself a lot of time and money!įollow these steps and you can transform your used, dull, chipped, broken, or otherwise useless drill bit, into a prime hole blasting instrument. Have you tried to drill something recently and noticed your bits aren't cutting like they used to? Maybe some of your bits are so bad, you can't even get through wood or soft metals anymore without creating a plume of smoke and high shrieking squeaks.
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