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Holtzapffel workbench project #7: building the twin screw vise

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Blog entry by martin007 posted 10-07-2008 02:57 AM 14803 reads 16 times favorited 12 comments Add to Favorites Watch
« Part 6: bench completed Part 7 of Holtzapffel workbench project series no next part

Hi all

Well, I couldn’t afford the 350$ + for the wooden screws, and I didn’t like the look of the black plate on the veritas twin screw vise. So I built my own using 2 tail vise screws (40$ each)

First I built the big wood pieces that will old the metal nuts. I didn’t want to use through bolts and opted for a drawbore mortise and tenon attachment.

I used the smallest bit that I could for the hole, The screw is 1 1/16 and I used a 1 1/8 bit. I found It helps to reduce sagging but it calls for precision. I waxed the holes because the screws do run tight. but pretty smooth nonetheless. Once the screw holes were drilled. I marked and drill the holes for the nut’s screws. Note wich nut goes with wich hole, the nuts might not be exactly the same. At the end It will help making the screw run smoother.

I dry fit the blocks and hold them very tight with clamps, then I aligned the vise chop and clamp it also. I then used the drill bit I used for the hole to mark hole center on the chop.

Now I can attach the nuts. While I tighten the screws, I monitor how easy the vise screw runs.

I decided to install the nuts in this manner instead of boring its way into the block. I think it might help to reduce sagging plus it is easier to install

I didn’t picture the process of the attachment of the vise screw head to the chop, but it is the same as with the nuts. I then try the vise. Once satisfied I removed the chop and proceeded with the drawbore holes

Oh yeah, I also glued them. LoL they won’t come off!

25 inch beetween screws, chop 4 inch tick 6 1/4 by 33 ash from 8/4 lumber

little tapper permitted, I guess more if the holes in the chop were bigger, something to thing of, maybe a future modification

Almost no sagging, If you run the screws in synch (not tapered) the chop runs nice, when some taper, they put on more resistance. Overall very satisfied.

Now it is COMPLETED

thanks

-- Martin, Gatineau, Québec



12 comments so far

View teenagewoodworker's profile

teenagewoodworker

2727 posts in 2455 days


#1 posted 10-07-2008 03:05 AM

AWESOME! i am looking into building my bench and i was thinking about doing this but i wasn’t sure. its great to see that it works. have you tried doing some work in it yet? where did you get the screws?

View martin007's profile

martin007

141 posts in 2462 days


#2 posted 10-07-2008 04:01 AM

screws are from lee valley store

I did some edge planing for testing sake. First I found that I was to far aside from the boards (4 inch top plus 4 inch for the screw head and handle). It felt pretty ackward. But then I think it is just a matter of adjusting how you work and made me pay attention to my planing motion. Except with very long boards, because the vise is so strong, I can use only 3/4 of it’s length when I hold the board. At the end of the planing motion, I stretch my arm to reach the board’s end so I don’t have to stand beside the chop.

-- Martin, Gatineau, Québec

View teenagewoodworker's profile

teenagewoodworker

2727 posts in 2455 days


#3 posted 10-07-2008 12:15 PM

sounds cool! i think i’m gonna try it. i have a lee valley giftcard anyway.

View John Gray's profile

John Gray

2370 posts in 2572 days


#4 posted 10-07-2008 06:44 PM

Great job!!! Nice vise thanks for the post.

-- Only the Shadow knows....................

View olddutchman's profile

olddutchman

187 posts in 2622 days


#5 posted 10-07-2008 08:22 PM

Realy great Love the (play by play)

-- Saved, and so grateful, consider who Created it ALL!!!

View blackcherry's profile

blackcherry

3169 posts in 2509 days


#6 posted 02-05-2009 01:57 AM

Thanks for showing all of us your impressive new work station, the bench turn out GREAT…enjoy all your new future projects…Blkcherry

View blackcherry's profile

blackcherry

3169 posts in 2509 days


#7 posted 02-05-2009 02:09 AM

Martin what was your total bd.ft used in this bench…thanks Blkcherry

View martin007's profile

martin007

141 posts in 2462 days


#8 posted 02-05-2009 04:51 PM

BlackCherry, I never really counted the BF but here are the approx dimension. I will let you do the math

top 72×24 x 3
legs 30×3.5×4.5
long stretchers 36×1.75×5
short stretchers 18×1.75×5
big vise block is about 30×3.5×6

and then the short vise block and the big vise receptive block

I can give you the real dimension later tonight if you want, but this will give you a good idea

-- Martin, Gatineau, Québec

View Francisco Luna's profile

Francisco Luna

936 posts in 2080 days


#9 posted 02-21-2009 01:12 AM

This is an incredible bench! congrats!
What type of wood is that?

-- Nature is my manifestation of God. I go to nature every day for inspiration in the day's work. I follow in building the principles which nature has used in its domain" Frank Lloyd Wright

View martin007's profile

martin007

141 posts in 2462 days


#10 posted 02-23-2009 04:06 PM

Doubthead, base is red oak, top is red oak and ash, vise chops are ash

-- Martin, Gatineau, Québec

View TheJoineryGallery's profile

TheJoineryGallery

30 posts in 1491 days


#11 posted 01-23-2011 03:52 AM

This might be a dumb question, but where did you find the vise screws? Ive been looking for some ideas on adding one of these to my own bench, so thanks for posting.

-- www.thejoinerygallery.com

View martin007's profile

martin007

141 posts in 2462 days


#12 posted 01-26-2011 06:08 PM

the screws are from LV

-- Martin, Gatineau, Québec

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