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Let's twist again

No doubt you frequently use twist bits in your power drill. And, if you’ve ever worked with a blunt bit, you’ll agree it can be a frustrating experience. But, it can be easily fixed – you can resharpen your bit using a bench grinder. The tip of a twist bit is a cone shape so you need to make sure you follow this shape on the grinder, turning the bit gradually as you go. And use the ‘touch and dip’ method: for every couple of seconds on the grinder, dip the drill bit in a nearby cup of water to help prevent the tip from burning or breaking.

Jul 13, 2012