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A hole drilling jig

Project by Dkol posted 140 days ago 1632 views 23 times favorited 15 comments Add to Favorites Watch

Made this jig to drill cribbage boards, but would work for anything needing evenly spaced holes

I used a box joint jig to create 1/4” dados 3/8” deep in 3” x 24” 4/4 poplar. I glued a “cap” on top to hopefully keep the fingers from breaking off and glued that to a scrap piece of plywood.

To align the jig I butt it against the Drill press fence and move in to give the line I want to drill. The jig is then moved back and forth along the fence to the desired starting point and then clamped down.

The stop block has 2 fingers on it that engage the dados and “lock” into place. For 1/2 inch spacing the block is moved one notch. For 1/4 inch spacing the stop is flipped for the next hole (the width of the stop is 3 inches and one side does not have a finger).

It works well, but as always I managed to get a couple of Wonky holes. A friend says not to worry, “consider it a signature of sorts”.


15 comments so far

View kolwdwrkr's profile

kolwdwrkr

2249 posts in 486 days


posted 140 days ago

very clever. Thanks for sharing

-- ~ Inspiring those who inspire me ~

View dustynewt's profile

dustynewt

449 posts in 758 days


posted 140 days ago

Fantastic idea. I have been pondering a new drill press table for some time. I will incorporate this idea into the design. Thanks for the idea and the great pics.

-- Please visit me at http://dustynewt.com

View PurpLev's profile

PurpLev

2759 posts in 545 days


posted 140 days ago

brilliant! thanks for the post. definitely something that can all use.

-- When in doubt - There is no doubt - Go the safer route.

View Kent Shepherd's profile

Kent Shepherd

833 posts in 182 days


posted 140 days ago

Great idea. Nicely done.

Thanks for sharing

-- Kent Shepherd * The goal is-----More Tools!

View LifesGood1's profile

LifesGood1

22 posts in 227 days


posted 140 days ago

Pretty clever.

-- Jerod, Austin

View degoose's profile

degoose

2006 posts in 251 days


posted 140 days ago

If you don’t mind I would like to incorporate this spacer system in a jig for my over head router table to space the grooves for a CD/DVD rack.
Have been trying to work out a system for spacing.. now I have it.. thanks for your fine idea.
Larry

-- Drink once, cut twice. New website up.... lazylarrywoodworks.com.au

View tenontim's profile

tenontim

1319 posts in 640 days


posted 140 days ago

This is great! I can see other applications forming in my mind as I look at it. I might even make one to make a cribbage board sometime. Thanks for the post.

-- Tim -- http://tmuli.com

View SCOTSMAN's profile

SCOTSMAN

2244 posts in 481 days


posted 140 days ago

I wonder about drill wander on this ? would you not be better with an engineers centre drill since these are not through holes (I suspect ) your drilling .So heck it might be worth a try. They make very even and accurately round holes .Alistair

-- excuse my typing as I have a form of parkinsons disease

View Dkol's profile

Dkol

38 posts in 257 days


posted 140 days ago

Allistair

I usually use bradpoint bits, and they do work better, but this particular board is very thin and I was afraid the bradpoint would penetrate all of the way through.

Dan

View jockmike2's profile

jockmike2

7325 posts in 1143 days


posted 140 days ago

Good jig and a good idea. You got it going guy. Keep it up. You’ll work the kinks out.

-- Mike. mwurm13@yahoo.com

View a1Jim's profile

a1Jim

16910 posts in 473 days


posted 140 days ago

Good thinking as happens more than not a jig to make a jig. very well done.

-- Jim from Heirloom Woodshop Southern Oregon

View Dusty56's profile

Dusty56

3470 posts in 584 days


posted 140 days ago

AWESOME !!! THANK YOU : )

-- You know you're getting old when you know the difference between you're (you are) and your (belonging to you) AND how to use them in a sentence .

View SheriDi's profile

SheriDi

22 posts in 200 days


posted 140 days ago

Ingenious! Thanks for sharing.

-- Goodbye said the fox and now here is my secret: it is only with the heart that one can see rightly; what is essential is invisible to the eye.

View Splinterman's profile

Splinterman

4875 posts in 257 days


posted 140 days ago

hey Dkol,
That is one sweet jig….well done.

-- I will just keep doing it till I get it right.

View Kindlingmaker's profile

Kindlingmaker

1475 posts in 423 days


posted 140 days ago

Your jig looks great and gives me some ideas. Thanks for sharing!

-- Never board, always knotty, lots of growth rings

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