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Designed for Big Horn, this self-centering bit provides dead on accuracy of shelf pin placement for your project when used with any appropriate template. Standard 1/4-Inch hex shank will fit power bit and quick change drill chucks. Our bit assembly is designed so the bit is removable when the time comes that it needs to be sharpened. 1/4-Inch self-centering bit can be used with Big Horn 19651 Pin Jig and Bit (sold separately) or other templates with 3/8-Inch guide holes.
TR
Reviewed in the United States on August 26, 2024
Sharp bit so clean cuts.
mayork
Reviewed in the United States on January 18, 2024
Works with the shelf jig very well.
C. Dorsey
Reviewed in the United States on May 20, 2021
On the first use, the bit stuck in the hole. So I tightened the Allen screw. Second use, bit pulled out of spring-loaded holder. So I loosened the Allen screw to reset the bit and the whole assembly flew apart. Cursed the manufacturer and struggled to reassemble the thing for 20 minutes. Finally got it back together. Drilled several holes, then it came apart again. I’m returning it for credit.
Naval Spook
Reviewed in the United States on October 22, 2021
AAA+++ Comes highly recommended, wonderful quality. Buy with confidence.
Gary
Reviewed in the United States on April 10, 2018
Did not work very well and fell apart. While putting it together I discovered it would work better if the set screw for the drill was tight and in the correct place. But the drill still clogged up easily and stopped plunging. It also didn’t cut as clean a hole as most wood bits would.
Max
Reviewed in Canada on January 16, 2016
It just works great
AJD
Reviewed in the United States on May 31, 2013
I have another shelf pin bit in a different size but similar design, which was why I purchased this one. The action is light enough to center the bit and not burn the plastic of my jigs. It chokes on the cuttings once in a while but is easily cleaned out to go again.
Robert T. Donahue
Reviewed in the United States on June 8, 2012
This was a great time saver. Works like a charm. I did adjust the drill bit and be careful if you back out the set screw too much it will come apart. This also allows replacing the drill when or if you need to.I recommend this tool 5 stars
Bear Paws
Reviewed in the United States on October 23, 2012
Yep. First test hole and the drill bit fell out. Backed out the Allen set screw a little to get the bit back in and the whole thing blew apart. Luckily the assorted spring and washers landed on the bench rather than in the perennial saw dust pile on the floor. I urge that you examine the placement of the components, even though it really only goes back together only one way, just in case it does blow apart.Its not rocket science to reassemble it but annoying none the less. Suggestion... Remove C-clip from barrel, assemble holder and drill bit to preferred depth locking down the set screw and THEN install spring and washer over barrel, then compress spring and retainer washer to the "step", which will help hold the spring back (sorta) until you get the C-clip back on. THe clip is a tight fit. Best done in a place where if it pops apart you can find the pieces.I could tell the Allen socket was going to strip out of the set screw as I was tightening it in order to securely hold the drill bit in place. I suggest grinding a ¾" long flat on the drill bit shank for the set screw to set in. Also first chance get a good hardened Grade 6 or 8 Allen set screw at your local hardware store to replace the anemic one that comes with this tool.If you strip out the hex the extractor to remove the set screw will cost more than the tool it self. Unless that is you already own a extractor set. If you don't ....Well you needed a set in the shop anyways in case you have to fix the wash machine.. I tell my wife that a lot. I think she is on to me when she smiled at me funny about the surface planer.Other than that, it works. The bit is not the sharpest bit in the drawer so it will overheat if your into oak or harder and forcing it. It doesn't appear to be a "high speed" drill bit so use lower speeds.. Although it seems happy enough in pine, birch, or popular but it does clog and binds easy in solid soft stringy woods, because it doesn't chip but rather "screws" but it clears easy enough. A good brad point Erwin bit (with a home ground flat in the shank), about 2-4 big box bucks, would make this a good tool. Most of us don't have the means nor ability to grind a chipper relief into such a small drill bit.
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