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post #1 of 12 (permalink) Old 06-20-2010, 10:14 AM Thread Starter
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Default Hitachi M12VC Collets

Ok, this is my third attempt at getting this to post, so maybe it'll actually work this time... Are my posts getting eaten (moded-out) since I'm new to the forum?
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I recently purchased a Hitachi M12VC Router that came with two collets and two nuts. One is 1/4" and the other is 1/2". I need a 1/8" and maybe a 3/8" collet for this router for things like making PCB's and small parts. I have searched all over the net to no avail, so I am asking the experts now.

I found some collets that I could get at precisebits/dawt\com but they say that I need to buy the collet, special nut, and special wrench for the special nut, which is a bit expensive and a waste since I only need the collet itself. I would like another source for a new collet.

Isn't there a standard for collets in these routers? I got the hit from reading online that my Hitachi uses ER collets and is compatible with the Bosch collets, but I could be mistaken.

The best answer I could hope for would be "You need to buy an ER-** collet for 1/8" bits from ****.com"

Thanks,
- amishx64
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post #2 of 12 (permalink) Old 06-20-2010, 07:00 PM
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When you post and it contains keywords in my filter it goes to the moderation que. When you posted this thread it told you it was required to be review before it would be public, you just missed the message . Anyway back on topic.

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post #3 of 12 (permalink) Old 06-20-2010, 07:27 PM
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Hi amishx64

They don't make one , the easy way is just use a adapter it's cheap and quick and easy to use , I used one for the 1/8" and the 1/16" shaft bits and it works well..

MLCS Woodworking Adaptor Bushings and Ball Bearing Guides

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Originally Posted by amishx64 View Post
Ok, this is my third attempt at getting this to post, so maybe it'll actually work this time... Are my posts getting eaten (moded-out) since I'm new to the forum?
-------------------------------------------------
I recently purchased a Hitachi M12VC Router that came with two collets and two nuts. One is 1/4" and the other is 1/2". I need a 1/8" and maybe a 3/8" collet for this router for things like making PCB's and small parts. I have searched all over the net to no avail, so I am asking the experts now.

I found some collets that I could get at precisebits/dawt\com but they say that I need to buy the collet, special nut, and special wrench for the special nut, which is a bit expensive and a waste since I only need the collet itself. I would like another source for a new collet.

Isn't there a standard for collets in these routers? I got the hit from reading online that my Hitachi uses ER collets and is compatible with the Bosch collets, but I could be mistaken.

The best answer I could hope for would be "You need to buy an ER-** collet for 1/8" bits from ****.com"

Thanks,
- amishx64



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post #4 of 12 (permalink) Old 06-21-2010, 12:38 AM Thread Starter
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Mark,
Ahh, that's why. Thanks. I remember seeing a screen, but it was there and gone before I read anything.

bobj3, Thanks! That seems like a nice easy, cheap solution. Does this affect runout much?
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post #5 of 12 (permalink) Old 06-21-2010, 06:54 AM
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As a not so experienced router guy, could you please explain why 1/8 and 3/8? I have never heard of such a thing?
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post #6 of 12 (permalink) Old 06-21-2010, 10:22 AM
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Hi

They are made just for that job, it will have the same runout if you have any..

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Originally Posted by amishx64 View Post
Mark,
Ahh, that's why. Thanks. I remember seeing a screen, but it was there and gone before I read anything.

bobj3, Thanks! That seems like a nice easy, cheap solution. Does this affect runout much?



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post #7 of 12 (permalink) Old 06-21-2010, 10:37 AM
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Hi Johnny

Sometimes you will need to use very small router bits or odd ball size that can only be had in the 3/8' shank size, I have some that are 1/32" step up in sizes and I have many 1/8" shanks size that down to 1/16" and smaller like the size of a pin needle in diam.



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As a not so experienced router guy, could you please explain why 1/8 and 3/8? I have never heard of such a thing?


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Last edited by bobj3; 06-21-2010 at 06:09 PM.
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post #8 of 12 (permalink) Old 06-21-2010, 04:50 PM
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Quote:
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Hi Johnny

Sometimes you will need to use very small router bits or odd ball size that can only be had in the 3/8' shank size, I have some that are 1/32" step up in sizes and I have many 1/8" shanks size that down to 1/16" and smaller like the size of a pin needle in diam.



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Wow I had no idea, thanks.
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post #9 of 12 (permalink) Old 06-21-2010, 07:40 PM Thread Starter
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Quote:
Originally Posted by bobj3 View Post
Hi Johnny

Sometimes you will need to use very small router bits or odd ball size that can only be had in the 3/8' shank size, I have some that are 1/32" step up in sizes and I have many 1/8" shanks size that down to 1/16" and smaller like the size of a pin needle in diam.
Yea, those bits are exactly what I'm trying to use with my 1/4" collet. Thank you.
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post #10 of 12 (permalink) Old 06-22-2010, 11:58 AM
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A quick introduction so you'll know my bias upfront. I'm John Torrez from Think & Tinker / PreciseBits.

Quote:
Originally Posted by amishx64;
I found some collets that I could get at precisebits/dawt\com but they say that I need to buy the collet, special nut, and special wrench for the special nut, which is a bit expensive and a waste since I only need the collet itself. I would like another source for a new collet.
Sorry for the trouble with that. This decision was not made to make you have to spend more money but rather to give you a more accurate system (the goal was to get as close to spindle level performance as possible). In order to have the most accurate system possible you need to have a balanced nut and a wrench that can apply even force to the collet.

Quote:
Originally Posted by amishx64 View Post
bobj3, Thanks! That seems like a nice easy, cheap solution. Does this affect run-out much?
These type of adapters do add run-out. Possibly a lot of run-out depending on the adapter. One of the basic problems with this type of adapter (where you have one groove going through the tool) is that it will shift the tool to one side as it compresses to hold the tool . Run-out will vary from adapter to adapter. I personally have seen between 1 and 7 thou worth of run-out in these type of adapters. What you will get is pretty much luck of the draw.

If it will work for you or not depends on your specific adapter and your application. A good rule on thumb with run-out is that you have 10% of the diameter of the cutter before you break the tool. So a .0313" tool can tolerate about .003" worth of run-out before breaking. There are also issues with tool life and kerf/pocket size but I won't get into those unless someone wants me to.

Let me finish by saying this. I am not trying to talk you into anything or push our product. I'm just trying to provide data. Regardless of what you end up using I wish you well with your milling.

John Torrez
Think & Tinker / PreciseBits
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