1/4 Inch to 1/2" bit shank adapters - Router Forums
 
LinkBack Thread Tools Display Modes
post #1 of 6 (permalink) Old 08-25-2010, 12:03 PM Thread Starter
Registered User
 
Join Date: Aug 2010
First Name: N/a
Posts: 2
 
Default 1/4 Inch to 1/2" bit shank adapters

Hi

I know its not a good solution - but my routers only accept 1/4 Inch shanks - via a 1/4 inch collets that does not seem to be replaceable.

Is there any shank adapters made to do this??
rich911 is offline  
Sponsored Links
Advertisement
 
post #2 of 6 (permalink) Old 08-25-2010, 01:29 PM
Forum Contributor
 
Join Date: Jan 2006
Country: United States
First Name: Bj
Posts: 23,786
       
Default

Hi Rich

Well yes and no , but you can make your own easy with the item below if you have a lathe or have a mate do it for you..I made one just for that type of job and it works very well..

Just turn it down to a TRUE (> .2501---1/4" size.

#9465 For 1/2" shank bits 1-3/16" $42.90 $29.95

MLCS Router Collet Extension and Review


I will note the last time I suggested to do this I got a lot flack from the members but it works well.. and I don't think I would use it for the big panel bits..

Also when you use the new one be sure it's all the way the 1/4" collet ,right down to the bottom this will help with run out and less chance of snapping off the 1/4" shank.. but I'm sure you know what it takes to snap off a 1/4" shank with no play in it.. ( about 85,000 lbs. psi )

=====

Quote:
Originally Posted by rich911 View Post
Hi

I know its not a good solution - but my routers only accept 1/4 Inch shanks - via a 1/4 inch collets that does not seem to be replaceable.

Is there any shank adapters made to do this??
Attached Images
File Type: jpg 1355.jpg (49.3 KB, 46 views)
File Type: jpg 1352.jpg (27.1 KB, 37 views)
File Type: jpg 1353.jpg (45.0 KB, 39 views)

"It's fine to disagree with other members as long as you respect their opinions"

Marc Sommerfeld Tools ,Videos
http://www.youtube.com/channel/UCT-n...RWaEpMA/videos

Find all threads started by bobj3
http://www.routerforums.com/search.php?searchid=944097



Last edited by bobj3; 08-25-2010 at 11:32 PM.
bobj3 is offline  
post #3 of 6 (permalink) Old 08-25-2010, 01:51 PM
Marine Engineer
 
kp91's Avatar
 
Join Date: Sep 2004
Country: United States
First Name: Doug
Posts: 2,668
 
Default

Quote:
Originally Posted by rich911 View Post
I know its not a good solution...

Rich,

Trust your gut. There is a reason they aren't on the market. There are a bunch of decent routers out there around $100, and even more used ones for sale for less.

Save your pennies, and use a tool designed for the job.

Just my $0.02,

Doug
1 John 1:9
Fredericksburg, VA




This kid gives me hope for the next generation
http://www.gofundme.com/val2ug
kp91 is online now  
post #4 of 6 (permalink) Old 08-25-2010, 01:55 PM Thread Starter
Registered User
 
Join Date: Aug 2010
First Name: N/a
Posts: 2
 
Default

Thanks,

Sounds like a good suggestion.

I have a lathe - and could do the turning if the the shank is not harden steel.

Do you know if you have to use a lathe grinder to do the turning down - or if a std tool steel cutter bit will do the turning down okay - on the 1/2 inch extension shank.
rich911 is offline  
post #5 of 6 (permalink) Old 08-25-2010, 02:07 PM
Forum Contributor
 
Join Date: Jan 2006
Country: United States
First Name: Bj
Posts: 23,786
       
Default

Hi

It's hard but a stantard carb.cutting bit will do the job just fine..
You will need to sacrifice one of your old 1/2 "shank bits, to lock it in the lathe for a true turning, using the extension as a holding device
..
=========

Quote:
Originally Posted by rich911 View Post
Thanks,

Sounds like a good suggestion.

I have a lathe - and could do the turning if the the shank is not harden steel.

Do you know if you have to use a lathe grinder to do the turning down - or if a std tool steel cutter bit will do the turning down okay - on the 1/2 inch extension shank.

"It's fine to disagree with other members as long as you respect their opinions"

Marc Sommerfeld Tools ,Videos
http://www.youtube.com/channel/UCT-n...RWaEpMA/videos

Find all threads started by bobj3
http://www.routerforums.com/search.php?searchid=944097



Last edited by bobj3; 08-25-2010 at 07:24 PM.
bobj3 is offline  
post #6 of 6 (permalink) Old 08-25-2010, 10:52 PM
Retired Moderator
 
BigJimAK's Avatar
 
Join Date: Mar 2009
Country: United States
First Name: Jim
Posts: 3,503
     
Default

If you're seriously contemplating doing this I recommend wearing a hard steel jock strap and titanium armor. Should that extender fail by brittle fracture at the 1/4" to 1/2" transition while spinning like a bat out of Hades, those cutters will do what they do well.

Have you noticed that they are not offered commercially? Ask yourself why that may be.

I'm not saying it won't or can't work. If the extender is well balanced, the bit is well balanced, whatever runout they do have are aligned to cancel and you don't press it too hard and...

But if...

Is it worth it to you?

This is just one guy's opinion.. a guy who really likes having all his parts right where they are...

Check out that new high-tech cordless router.. wireless and no recharging required!!
BigJimAK is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Router Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Two wrench method- one wrench router Delta6mike General Routing 68 03-26-2012 09:25 AM
3/4 inch pine, what roundover bit? Karter Router Bits - Types and Usage 9 02-21-2011 04:57 PM
1/4 or 1/2 inch bits? jco Router Bits - Types and Usage 30 01-11-2010 10:48 AM
Router bits speedo Router Bits - Types and Usage 18 10-08-2009 03:17 PM
1/4 inch collet extensions? rwy General Routing 2 05-02-2005 11:07 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome