What is the correct name for this

[man00]

this

 

[Stuart in MN]

Tinnerman nut.

 

[bdbecker]

Clip On Nut... the ones in the pic I would call a clip on barrel nut.

 

[LigouriRd]

Delete please

 

[bwringer]

McMaster-Carr calls them "clip nuts" or "clip-on nuts", so I'd call that as official as it gets.

McMaster-Carr

McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.

www.mcmaster.com

 

[NostraThpmas]

Cage Nut

 

[man00]

thanks I knew someone on here would know

 

[Bill Bowman]

I've always called them "J" nuts. But you can call them any of the above.

 

[Smedley]

I always knew them as speed nuts, along with the 'split corners hex' nut that is thinner with the flange on it.

 

[Danno1]

Tinnerman nut.

I always thought these were Tinnerman nuts:

 

[firebirdparts]

speed nut.

 

[nadogail]

I remember reading in a 1940’s publikation an advertisement for them from the Tinnerman company.

 

[mervyn]

Clip nut thingy

 

[PoorUB]

Cage Nut

To me a cage nut is an actual nut clipped into a spring clip.

 

[Steve W.]

To me a cage nut is an actual nut clipped into a spring clip.

 

[mm08822]

I had a summer job at Palnut/TRW. I saw lots of different fasteners get punched out, tapped, coated and even sat with the designers. It was real interesting seeing them design the different tooling stages to process slit coils of sheet metal.

Now everybody makes these....lot's of knock-offs too.

 

[Sumboodie]

J nut

 

[Ztim]

U nut

 

[MushCreek]

I just bought a bunch of them for my restoration project, and they were listed as U-nuts.