[Rex in OTZ]

It appears to be a Hollow/Molly Bolt type sheet metal anchor, it used to anchor the Boiler stack to the side of the hanger, these blind anchors had secured the Standoff brackets to the sheet metal siding.

The thing is I Googled My brains out looking for it but dont know its name to get a hit.


Yes it snow'd last night

[Rex in OTZ]

This question came up Tuesday (5/01) I looked and ask'd round with no close answers, I finally struck pay dirt today (5/04) the answer came from another forum, I decided to pass along the info.

This fastener goes by two discriptions.
Screwdriver-Installed Rivet Nuts for Thin Materials Also known as jack nuts.

Slotted-Body Rivet Nuts for Thin Materials


the sizes range .324" up to .495"

McMaster-Carr

McMaster-Carr

[BarryHalls]

Quote:       Originally Posted by Rex in OTZ

The thing is I Googled My brains out looking for it but dont know its name to get a hit.

BOY, I'd sure like to get my brains googled out right about now!

[CrazyIvan]

Probably fabricated and welded on site by some worker. Most commercial anchors are going to be cast steel or heavy gauge cold-rolled.