If you have a burnt up, chipped up bit with the lips ground unequal and one heel dragging, the Dr can't help you. The chuck is then removed from the alignment port, plugged in the sharpening port and the motor turned on.

Works well, probably need a new wheel by now as sometimes I have to free hand more relief on larger drills. The owner’s manual says that the diamond wheel will last an average of more than 200 sharpenings, and if you don’t sharpen bits bigger than 1/2-inch you can double its life by turning it upside down. Sharp Tools Perform Better and Are Safer to Use Whether you're a professional tradesperson or a serious hobbyist, you know that a dull drill bit can waste valuable time, result in lower-quality work, damage work materials, and shorten your drill’s life. If you study the relationship of the flutes to the chuck on a larger drill and try to replicate it on the tiny drills you may have success grinding small drills. It does not take long and is not hard, although you do need to be a little careful when reassembling the chuck.

The Drill Doctor 750X sharpens a wide variety of bit types, from high-speed steel, carbide, cobalt, TiN-coated, masonry, and split-point bits for working with metal. To begin, you put the drill bit in the chuck and tighten it, but leave it just loose enough so you can slide and rotate the drill in the chuck. Professional Design and Construction for Durability For added durability, the Drill Doctor 750X features a metal split-point port and a die-cast point angle shuttle. I also like the adjustable feature on the 750 that lets you set the amount of metal you take off (M.

In rough numbers 1/8 does ok if you're careful, but 1/16 is getting too small and requires entirely too much fiddling.The motions you make to move from aligning the bit to sharpening to splitting flow very fluidly (if you are right-handed). You can now add a split point if you want by taking the chuck out of the sharpening port and putting it into the split point port.

I vented my frustration on them about not really telling the truth and they told me they were in the process of changing the user manual to explain that.The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. Under about 1/4 inch, it reverse-relieves most drills unless I cheat the alignment device, and just turn by hand until it's good.

The drill doctor drill bit sharpeners are the UK's favourite sharpeners, it's no surprise, you can sharpen your drill bits in seconds! That is picking nits and I consider this a 5 Star tool and have already recommended it to three friends after one weekend of good use. I think there’s a lot of value in having something like a Drill Doctor on hand, even if the cost won’t be recouped by the average home machinist. A second lever with three positions sets the relief angle for masonry drills, twist drills or for “extra relief.Find every metalworking tool or piece of metalworking equipment you need in the quality selection available from Busy Bee Tools. When someone did badmouth it, it often seemed like it might be because they hadn’t learned to use it properly by reading the instructions or watching the video that came with it. During each turn the cam on the chuck briefly causes the drill bit to come in contact with the diamond wheel, sharpening the bit.