Flat jaw extension

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Project by Jacksdad posted 12-23-2017 02:20 AM 478 views 2 times favorited 5 comments Add to Favorites Watch

I turned a bowl larger than my flat jaws, I could buy the larger Cole jaws and the extensions for $100+ or order a set of larger plates from Penn State that attach on top my jaws for $40, so I made my own for free from scrap plywood. I cut 4 pieces at 6 1/2 by 6 1/2, then I aligned two flat sides and marked through the tapped holes in 4 spots and drilled 1/4” holes. Then i mounted them on the chuck and rough cut them round and the put it on the lathe, I used a parting tool to cut it perfectly round. I drew some circles and removed the extensions and drilled bumper mounting holes and then reattached them. I’ve made different sized bumpers for my Cole jaws out of chair feet or rubber tubing over dowels which work great, to mount them on my extensions I just add nuts to the back.

5 comments so far

View stefang's profile


15701 posts in 3204 days

#1 posted 12-23-2017 10:59 AM

Nice work on these. I often wonder why anybody would buy Cole jaws when they are so easy to make.

-- Mike, an American living in Norway.

View majuvla's profile


11461 posts in 2737 days

#2 posted 12-23-2017 11:47 AM

Interesting project, but I still don’t have a lathe, but it’s good to keep it on mind.

-- Ivan, Croatia, Wooddicted

View Jim Jakosh's profile

Jim Jakosh

19943 posts in 2975 days

#3 posted 12-23-2017 01:09 PM

Nice work on that set of larger jaws, Jeff. Good thinking!! The price is right too!

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View Dutchy's profile


2683 posts in 2038 days

#4 posted 12-24-2017 04:23 PM

View dannmarks's profile


420 posts in 451 days

#5 posted 12-26-2017 05:52 PM

Took me a few minutes to understand what it was. Very cool once I got it.

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