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Hand Screw Clamp

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Blog entry by yuridichesky posted 02-14-2016 01:58 PM 973 reads 1 time favorited 10 comments Add to Favorites Watch

I’d like to share one of my latest shop additions: hand screw clamp.

The idea of the build was stolen from John Heisz, have a look at how he built it in details. There are couple of things that I did differently, but in general it’s the same.

The wood used for this project is larch (as I still had larch board left from previous project).

The screw was made from M12 threaded rod (about 1/2”).

Jaws length is 12”, opening is 8”.

I have to admit that it takes longer to open/close the jaws comparing to “normal” screw clamp where half of the screw is left-threaded, but still it’s pretty cool clamping fixture.

Some pictures.

Ready to final assembly. You can see that handles on the screw are secured with couple of nails. The next picture shows those nails already cut to size and riveted in place.

About to screw them together.

Done.

First clamping job.

In action: shaping hand plane wedge secured in the clamp.

Thank you for looking!

-- Yuri (10x4 -- yeah, that's my tiny shop!)



10 comments so far

View Sergeich's profile

Sergeich

102 posts in 1258 days


#1 posted 02-14-2016 02:59 PM

Very cool, Yuri. As I understand you turned the handles yourself? On your selfmade lathe? And second question. About larch. It is available in my area, but I heard it is too soft for woodworking. Is’nt it?

View theoldfart's profile

theoldfart

8077 posts in 1912 days


#2 posted 02-14-2016 03:07 PM

Sergeich, if you use a real hard wood it will potentially mark your work. I prefer a softer wood for my screw clamps.

Yuri, excellent work as always. SO, a new plane in the works?

-- "With every tool obtained, there is another that is needed" DonW ( Kevin )

View terryR's profile

terryR

6314 posts in 1769 days


#3 posted 02-14-2016 03:38 PM

Wow, Yuri, these look great!
I was just complaining that wooden clamps aren’t available locally anymore. Never thought to make one. thanks!

-- tr ...see one, do one, teach one...

View yuridichesky's profile

yuridichesky

624 posts in 1425 days


#4 posted 02-14-2016 03:41 PM



Very cool, Yuri. As I understand you turned the handles yourself? On your selfmade lathe? And second question. About larch. It is available in my area, but I heard it is too soft for woodworking. Is nt it?

- Sergeich

Thank you, Sergey.

Handles – yes, turned on “drill-as-a-lathe” device. I made some improvements on it and now it looks like this.

What I like the most is that it’s super-compact and easy to store, it’s quick to install on the benchtop and same quick to put away. But it’s noisy and very limited in operation.

Larch – it’s much harder than pine but definitely softer than oak or beech. And it’s way too brittle, you have to get used to it. I buy larch at Leroy Merlin that we have around. I’m sure they sell the same products in every store so if you have Leroy Merlin in the neighborhood check it out.

-- Yuri (10x4 -- yeah, that's my tiny shop!)

View yuridichesky's profile

yuridichesky

624 posts in 1425 days


#5 posted 02-14-2016 03:43 PM



Sergeich, if you use a real hard wood it will potentially mark your work. I prefer a softer wood for my screw clamps.

Yuri, excellent work as always. SO, a new plane in the works?

- theoldfart

Kevin, you cracked me! :-)

Thank you, man!

-- Yuri (10x4 -- yeah, that's my tiny shop!)

View yuridichesky's profile

yuridichesky

624 posts in 1425 days


#6 posted 02-14-2016 03:48 PM

Terry, thank you!

It’s doable for sure, I even start thinking about buying left-threaded taps and dies (I already have right-threaded ones) to make “real” screw clamps. As an option you can buy screw clamp kit (containing screws, nuts, and handles) and make wooden jaws by yourself.

-- Yuri (10x4 -- yeah, that's my tiny shop!)

View terryR's profile

terryR

6314 posts in 1769 days


#7 posted 02-14-2016 03:50 PM

Oh…I forgot about one screw being backward threaded! doh!
nice variable speed, portable lathe BTW!

-- tr ...see one, do one, teach one...

View CFrye's profile

CFrye

8738 posts in 1301 days


#8 posted 02-20-2016 12:06 AM

Well, I was not aware that one of the rods was backwards threaded! I learned something today! Nice clamp, Yuri. Thanks for sharing.

-- God bless, Candy

View yuridichesky's profile

yuridichesky

624 posts in 1425 days


#9 posted 02-20-2016 04:25 PM

Hey Candy,


Well, I was not aware that one of the rods was backwards threaded! I learned something today! Nice clamp, Yuri. Thanks for sharing.

- CFrye

It’s even more interesting: both screws are half-right and half-left threaded.

-- Yuri (10x4 -- yeah, that's my tiny shop!)

View CFrye's profile

CFrye

8738 posts in 1301 days


#10 posted 02-20-2016 09:35 PM

Really? I guess I need to examine the ones I have a whole lot closer! Thanks, Yuri!

-- God bless, Candy

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