Self Centering Drill Bits #1: How to ensure self centering drill bits clear debris so spring can release

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Blog entry by MIThumb posted 03-09-2016 04:51 PM 1419 reads 0 times favorited 8 comments Add to Favorites Watch
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I am drilling cribbage boards with a self-centering drill bit and at times the spring, self-centering mechanism hangs up and doesn’t release. Any suggestions on how to ensure it releases every time?

-- MCP

8 comments so far

View Richard's profile


1944 posts in 3662 days

#1 posted 03-09-2016 08:05 PM

I think it is just going to happen no matter what you do. Just the nature of the beast.

View builtinbkyn's profile


3026 posts in 1913 days

#2 posted 03-09-2016 09:01 PM

Maybe try a little graphite lube.

-- Bill, Yo! Brooklyn & Steel City :)

View cutmantom's profile


407 posts in 4007 days

#3 posted 03-10-2016 01:53 AM

Sometimes drilling again will help but clogging is going to happen

View gpaw999's profile


7 posts in 3181 days

#4 posted 03-10-2016 03:09 AM

I keep a block of paraffin wax around and occasionally drill into it. Works pretty good for me.

-- gpaw999

View robscastle's profile


7660 posts in 3176 days

#5 posted 03-10-2016 07:19 AM

OK the solution is quite simple its a self centering drill not a self cleaning drill.

What? .....

Seriously now.

It has already been reported it will clog up, unfortunately because its so small you cannot do much about it.

As with a Hollow Chisel Morticer bit which suffers similar issues and you have to polish the surfaces so it does not happen, so much, and I am guessing what happens with gpaw99 and the wax.

Unlike a HCM bit is a bit of a more difficult job due to its size, (I think)
However nothing is impossible until you “have a go” and get practical results.

Its worth researching because of if nothing else the fact its a painfull aspect of using the bits,... not that would stop me from using them as they are a brilliant bit of kit.

So standby for my evaluation (for what is worth)

-- Regards Rob

View Greg the Cajun Wood Artist's profile

Greg the Cajun Wood Artist

523 posts in 1914 days

#6 posted 03-10-2016 03:40 PM

I use a vix bit quite often and it is simple to keep it clean. All I do is push the spring loaded collar back and forth a couple of times after drilling a hole or two and it clears out the wood pieces. This method works will all sizes of vix bits

-- Wood for projects is like a good Fart..."better when you cut it yourself" Don't take yourself so seriously. No one else does

View MIThumb's profile


13 posts in 1789 days

#7 posted 03-14-2016 08:37 PM

Thanks to all for feedback – guess patience is the key

-- MCP

View robscastle's profile


7660 posts in 3176 days

#8 posted 03-20-2016 08:52 AM

Well men I took a look at all the Vix bits that I have and I am sad to report I cannot see any aftermarket ways to improve the system.
Drill a hole unclog it drill another hole, second line same as the first.

-- Regards Rob

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