Bench Dog Hole Bit: 3/4" plunge (long)??? - Router Forums
Reply
 
LinkBack Thread Tools Display Modes
post #1 of 11 (permalink) Old 03-01-2011, 02:07 AM Thread Starter
Retired Moderator
 
BigJimAK's Avatar
 
Join Date: Mar 2009
Country: United States
First Name: Jim
Posts: 3,503
     
Default Bench Dog Hole Bit: 3/4" plunge (long)???

I've been keeping my eyes out for a 3/4" plunge bit for starting bench dog holes. Ideally it'd be 1/2"SH and 4" long or so.

I've seen plenty of 3/4" bits but none labeled as plunge. I know I could use a forestner but a plunge router seems like the ideal way to drill a perfectly perpendicualr hole (yes, that's what I need).

It seems like my On-Point laser base, router and 3/4" plunge bit would be a perfect apporach for dog holes! <ruff>

Check out that new high-tech cordless router.. wireless and no recharging required!!
BigJimAK is offline  
Sponsored Links
Advertisement
 
post #2 of 11 (permalink) Old 03-01-2011, 10:56 AM
Forum Contributor
 
Join Date: Jun 2009
Country: United States
First Name: John
Posts: 3,046
 
Default

Quote:
Originally Posted by BigJimAK View Post
I've been keeping my eyes out for a 3/4" plunge bit for starting bench dog holes. Ideally it'd be 1/2"SH and 4" long or so.

I've seen plenty of 3/4" bits but none labeled as plunge. I know I could use a forestner but a plunge router seems like the ideal way to drill a perfectly perpendicualr hole (yes, that's what I need).

It seems like my On-Point laser base, router and 3/4" plunge bit would be a perfect apporach for dog holes! <ruff>
MLCS Plunge Cutting Straight Router Bits

I dunno where to get one 4" long though. I'm guessing your bench is 2-3"?

This may work better than my first link though
http://www.mlcswoodworking.com/shops...ral_hss_anchor

John Schaben

The problem with experience is I usually get it immediately after I need it.

Last edited by jschaben; 03-01-2011 at 11:01 AM.
jschaben is offline  
post #3 of 11 (permalink) Old 03-01-2011, 11:21 AM
Forum Contributor
 
Join Date: Jan 2006
Country: United States
First Name: Bj
Posts: 23,786
       
Default

Hi Jim

The router is a great tool but not always the right tool,you can make a jig to hold your drill motor and drill a strait hole and use the bit below..or if want a real clean hole use the 5/8" auger bit and than use your new longer router bits and template to clean the holes out to a true 3/4" hole with your router for the dogs..

By the way if you grind off some of the lead thread on the drill bit it will cut a nice clean hole..the threads are in place to pull the drill bit in quick..

3/4 x 4-1/2 In. Solid Center Auger Bits

Irwin 49912 3/4 x 4-1/2 In. Solid Center Auger Bits

==========

Quote:
Originally Posted by BigJimAK View Post
I've been keeping my eyes out for a 3/4" plunge bit for starting bench dog holes. Ideally it'd be 1/2"SH and 4" long or so.

I've seen plenty of 3/4" bits but none labeled as plunge. I know I could use a forestner but a plunge router seems like the ideal way to drill a perfectly perpendicualr hole (yes, that's what I need).

It seems like my On-Point laser base, router and 3/4" plunge bit would be a perfect apporach for dog holes! <ruff>


Attached Thumbnails
Click image for larger version

Name:	100_2078.JPG
Views:	313
Size:	204.0 KB
ID:	41808  


"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; 03-01-2011 at 02:45 PM.
bobj3 is offline  
Sponsored Links
Advertisement
 
post #4 of 11 (permalink) Old 03-01-2011, 12:39 PM Thread Starter
Retired Moderator
 
BigJimAK's Avatar
 
Join Date: Mar 2009
Country: United States
First Name: Jim
Posts: 3,503
     
Default

Quote:
Originally Posted by jschaben View Post
MLCS Plunge Cutting Straight Router Bits

I dunno where to get one 4" long though. I'm guessing your bench is 2-3"?

This may work better than my first link though
MLCS solid carbide router bits
Thank you, John...

I'm just getting ready to glue up a working-prototype workbench top and, to be honest, I'm still vascillating on how thick to make it... but yes, it'll be thick.

That's quite a choice there, John... I really like the spiral bit... it'd be good for my softwood prototype but I wonder if the HSS would hold up to ~35 plunges to full depth in hard maple??? Hmmmm.... I guess it probably should as long as you give time for cooling between cuts.

Check out that new high-tech cordless router.. wireless and no recharging required!!
BigJimAK is offline  
post #5 of 11 (permalink) Old 03-01-2011, 01:09 PM
Registered User
 
Ralph Barker's Avatar
 
Join Date: Dec 2008
Country: United States
First Name: Ralph
Posts: 2,001
 
Ralph Barker is offline  
post #6 of 11 (permalink) Old 03-01-2011, 01:10 PM Thread Starter
Retired Moderator
 
BigJimAK's Avatar
 
Join Date: Mar 2009
Country: United States
First Name: Jim
Posts: 3,503
     
Default

Quote:
Originally Posted by bobj3 View Post
Hi Jim

The router is a great tool but not always the right tool,you can make a jig to hold your drill motor and drill a strait hole and use the bit below..or if want a real clean hole use the 5/8" auger bit and than use your new longer router bits and template to clean the holes out to a true 3/4" hole with your router for the dogs..

By the way if you grind off some of the lead thread on the drill bit it will cut a nice clean hole..the threads are in place to pull the drill bit in quick..

3/4 x 4-1/2 In. Solid Center Auger Bits

Irwin 49912 3/4 x 4-1/2 In. Solid Center Auger Bits

==========
Hi Bob,

Using an auger bit was already my back-up plan but I hadn't considered making it undersized and then cleaning it out with my new "George bits"... great idea!! Those bits, after getting lost by the USPS, are supposedly now in Anchrage and being delivered today. I was going to use the long ones to trim the bench-end perpendicular to the top of the bench anyway.

Although it wouldn't be an issue for my softwood top, would an auger bit hold up to drilling 8 - 10' total in hard maple? I've seen several advertisements cautioning about short bit life in wet or hardwood. Is there something special I should be looking for or is it just a matter of pausing regularly to keep the bit cool? I could always pause regularly and shoot a blast of air into the hole to clear the chips (and cool the bit).

Jim

Check out that new high-tech cordless router.. wireless and no recharging required!!
BigJimAK is offline  
post #7 of 11 (permalink) Old 03-01-2011, 01:43 PM
Registered User
 
Mike Wingate's Avatar
 
Join Date: Apr 2009
Country: United Kingdom
First Name: mike
Posts: 1,124
 
Send a message via MSN to Mike Wingate
Default

I use 3/4" square bench dogs on my benches. I route the grooves across the edges, and then put extra lengths alongside to the widen the bench on both sides. Thus I have square holes running 3" inside the edges of the bench. I have done this on a number of benches, both solid and manmade centres to the bench with solid dog areas. If you want round dogs, turn the tops round. My Rockler Bench Cookies fit in the dog holes on their extensions.
Mike Wingate is offline  
post #8 of 11 (permalink) Old 03-01-2011, 02:52 PM
Forum Contributor
 
Join Date: Jan 2006
Country: United States
First Name: Bj
Posts: 23,786
       
Default

Hi Jim

They are HSS and you can put a new edge on them very easy but just put some candle wax/paraffin (canning wax) on them and they will stay cool.. don't use water on them or any water base lube they will rust up in time.. I have many from 1/4" to 3" in diam. and from 4" to 20" long they do come in handy

====

Quote:
Originally Posted by BigJimAK View Post
Hi Bob,

Using an auger bit was already my back-up plan but I hadn't considered making it undersized and then cleaning it out with my new "George bits"... great idea!! Those bits, after getting lost by the USPS, are supposedly now in Anchrage and being delivered today. I was going to use the long ones to trim the bench-end perpendicular to the top of the bench anyway.

Although it wouldn't be an issue for my softwood top, would an auger bit hold up to drilling 8 - 10' total in hard maple? I've seen several advertisements cautioning about short bit life in wet or hardwood. Is there something special I should be looking for or is it just a matter of pausing regularly to keep the bit cool? I could always pause regularly and shoot a blast of air into the hole to clear the chips (and cool the bit).

Jim



"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; 03-01-2011 at 02:59 PM.
bobj3 is offline  
post #9 of 11 (permalink) Old 03-01-2011, 11:05 PM
Moderation Team
 
Cherryville Chuck's Avatar
 
Join Date: Sep 2010
Country: Canada
First Name: Charles
Posts: 15,069
 
Default

I drilled a hole with a drill press through a 4x4 and used it to start the holes straight.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
Cherryville Chuck is offline  
post #10 of 11 (permalink) Old 04-08-2011, 02:43 PM
Registered User
 
Join Date: Nov 2010
Country: United States
First Name: Richard
Posts: 81
 
Default

Ralph, I bought one of thoes General guidess and am going to throw it in the trash. There is almost 1/4" of play in the chuck so that when I put a bit in it and try to drill I get a side to side motion along with the spinning motion . I thought it might have just been a bad one but took it back to the store and checked 3 more in the boxes and they all the same issue.
Racer2007 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











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
Bench Dog Pro Top Contractor bit opening biggdogg Table-mounted Routing 1 02-16-2010 09:33 AM
bit hole size Phillym Table-mounted Routing 1 12-30-2008 08:14 PM
base plate for mortising? How make it? help Bogydave Jigs and Fixtures 12 11-17-2008 03:15 PM
Old Glossary Terms Mark Site Help and Suggestions 0 10-14-2008 02:30 AM
hole saw vs forstner bit reds_21 Tools and Woodworking 6 03-20-2005 10:48 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