What do they call those little metal things that help secure picture frame corners?

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Forum topic by msinc posted 09-25-2017 03:49 PM 2241 views 0 times favorited 7 replies Add to Favorites Watch
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567 posts in 1357 days

09-25-2017 03:49 PM

The ones I am referring to are the little thin sheet metal “S” shaped ones that have a sharpened edge and I believe {could be wrong, usually am} they are shot flush in place with a gun of some type. They get installed on the back of a thin picture frame and help secure the corner. Sometimes the frame moulding is held together with nothing but these and no glue is even used. I usually see two side by side in the frame perpendicular to the 45 degree joint line.
If anyone out there knows the name of these little devices and also whether or not they can be driven with a gun and also where to get them it would be greatly appreciated. I guess they could just be “set” individually with an arbor press. I have seen/heard that they can be driven with a hammer and punch, but that never worked for me.
Thanks in advance for any info.

7 replies so far

View Smitty_Cabinetshop's profile


16905 posts in 3472 days

#1 posted 09-25-2017 03:52 PM

Corrugated Fasteners?

-- Don't anthropomorphize your handplanes. They hate it when you do that. - OldTools Archive -

View msinc's profile


567 posts in 1357 days

#2 posted 09-25-2017 04:05 PM

Yes sir!!! That is it. Thanks a million!!!!!!

View TheFridge's profile


10861 posts in 2340 days

#3 posted 09-25-2017 04:09 PM

Squiggly nails :)

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View gwilki's profile


359 posts in 2327 days

#4 posted 09-26-2017 12:07 AM

Here’s the gun you need to drive them. Hammering them does not work well at all. I’ve never tried a press, but the problem would be keeping the two pieces held together while you press in the fasteners.

-- Grant Wilkinson, Ottawa ON

View MrUnix's profile


8213 posts in 3053 days

#5 posted 09-26-2017 12:17 AM

v-nails. A quick google will turn up lots of sources as well as presses to use them.


-- Brad in FL - In Dog I trust... everything else is questionable

View msinc's profile


567 posts in 1357 days

#6 posted 09-26-2017 12:23 AM

Thanks for posting the gun info…it appears {now that I know what to call it} that several outfits offer guns to shoot these things. Bostitch has one among others. There is a Grex dealer not too far from where I live.
As far as holding the parts together, why couldn’t you go ahead and glue up the frame and nail it as security later after the glue is good and dry and the clamps are gone? I know some people use these things to do picture frames and do not use any glue at all. I usually just stand the frame up in a jig and cut a slot at the corner on a table saw and glue in a piece of wood for strength at the corner. But, the current frames I am making have routed edges on the outside and so I cant do it that way. Well, I guess I could, I would have to run the edges on the router table again to get the biscuit shaped like the frame. These corrugated nails seem like a much faster easier way, not as strong, but I believe they will work okay. Thanks again for all the info fellas!!!!!

Edit: wouldn’t it be nice of somebody made a gun that could shoot all the stuff I need to? I currently own a framing nailer, a brad nailer, a finish nailer. a crown stapler, a positive point nailer, three different staplers and a roofing nailer!!! I feel like I am leaving somethign out…..7 different power nailers and I still need to buy one more!!!!

I did forget one…a smaller crown stapler for putting down luan sheets under sheet vinyl or tile.

View gwilki's profile


359 posts in 2327 days

#7 posted 09-26-2017 12:44 PM

You could, of course, glue the frames together, then use corrugated fasteners to add to the joint. From your initial post, I thought you wanted to avoid glue. I glue, then staple for added strength.

I can sympathize about all the guns. I don’t have as many as you do, but it does get to be a bit much. :-)

-- Grant Wilkinson, Ottawa ON

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