Why you have to loosen your router bit TWICE!

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[StumpyNubs]

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*More interesting router videos:*

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★SOME OF MY FAVORITE CHEAP TOOLS★

★SOME OF MY FAVORITE HAND TOOLS★

★SOME OF MY FAVORITE POWER TOOLS★

★SOME OF MY FAVORITE OTHER TOOLS★

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[Antti_Nannimus]

Thank you once again, Dr. Nubs! I've been aware of so-called "self-releasing" collets, but I have never understood how they actually work. I also thought all modern routers now have them. Thanks to you I have been released from my appalling ignorance, and am now pulled up into the light of knowledge. It feels great! We don't pay you enough.

[michaelmakin]

Thank you you just saved me from buying a new router have a Craftsman that I bought at Sears but Sears is no longer around nobody seems to know anything about a colic Departed router bit goes in I have a quarter inch I need to put in a half inch bit you can pop it out and put a new half engine to replace the quarter-inch it'll do both I did not know that thank you so much you helped me so much I watch all your videos I've learned a lot keep the good work current website

[clutions]

Darn! For fifteen years I've been bit**ing about my Bosch doing just this. No explanation from Bosch, just that's normal! Thanks sir!

[larrygardner]

I've wondered about this for decades. Thanks for revealing the inner truth. Keep 'em coming!

[Denver]

EVERY SINGLE TIME I loosen mine and hit that second spot I think "I bet stumpy knows why"

[dgoddard]

I have a Bosch router in a table and a 2.2kw spindle on my CNC with an ER20 collet. Both of them did this and it has always driven me nuts. I finally learned to keep a hold of the wrench until I'd loosened it a 2nd time. And now I know why and that kind of makes me happy. Thanks!

[kevinbourke]

Thanks for absolving me of the worry that something was wrong/cross-threaded with my router’s collet!

[TrevorDennis]

I have been using collet sets on metal lathe and milling machines since I started a toolmaking apprenticeship in 1967. On lathes you usually have a draw bar that pulls and pushes on a sleeve that passes through the spindle for the collet to screw into, so you can change the workpiece in just a few seconds, plus they go down to sizes that a chuck couldn't grip, and are kinder to the workpiece leaving no marks on softer materials like brass. Collet sets on milling machines work exactly the same way as described by James in this video, and need the second pressure to release the cutter. Anyone owning a smallish hobby mill will know that you can get collet sets for crazy low prices from Wish and Bangood (about $80 for an M2 collet chuck and a dozen collets from 2mm to 20mm) and they work (almost) perfectly. That is to say they clamp the work piece but some of the collets didn't snap into the collet chuck without some minor work with a fine grit diamond plate.

[edgecondition]

Thank you; I’d never bothered to look into why it always does that. Makes perfect sense now!

[DdgeluvinHic]

These are ER style collets that are used in the machining industry. If you measure the outside diameter of the largest part in millimeters then you know what size they are (ER-20, ER-25, ER-32, etc)
That makes replacing them pretty easy.

[John-NeverStopLearning]

Thank you for video. Something my father taught me was to set the wrenches 🔧 up so you can squeeze them with one hand. This is to tighten and to loosen them. I have seen too many times when you are especially loosening the collet your hands swing wildly and could hit or scrape something and you now have a injury. Same with tightening, however you usually slip and hit your hands 🙌 together.

[riangarianga]

Dammit, so that's why! 😂 For the last couple of years I thought I was doing something wrong. Thank you for this clarifying video!

[coffeetop]

I have noticed this for decades, but never bothered to figure it out. Thanks Stumpy!

[MrKockabilly]

I've been puzzled by this ever since and have been really interested to know why and never even thought I will ever know. Never I ever expected that the explanation will come this morning.

[joeysawdust]

An outstanding video! Nothing like learning something useful in 3:28! Thanks so much!

[Ferncraft.Pembrokeshire]

Phew!!!
After wondering if there was something wrong with my collet for the last 3 years you have in 3 minutes put my mind at ease.
Thank you.

[scottmorris]

There have been so many people online complaining they cannot get their router bits out. Explained they have to loosen it twice. I can now reference this video. Thanks.

[gregjohnson]

HA!! Awesome tip!! All this time I thought I was doing something wrong. I don't remember reading this in the Operator's Manual either. Thanks so much for sharing. 👍🏾

[farrier]

Not only a Master Woodworker but a tooling Engineer as well.
These vid's illustrating tool construction are invaluable in showing that the idiosyncrasies of many tools are there for a reason.
The lesson! Make sure your tool isn't faulty before you send it back or; God forbid; try to mend it.