They are called blind because they can be installed from one side of the work piece.
Nut within a nut to attach to sheet metal.
Flare in nuts zs stainless steel rivet nut nz hexagonal rivet nut and nzs stainless steel hexagonal rivet nut.
Kapti nut installation in four steps.
In general the installation procedure into metal or plastic sheets of any hardness begins by threading a rivet nut onto the tip pull up stud of the installation tool and inserting the fastener into a drilled or punched hole.
They are made from spring steel.
When the fastener is tightened the base of the nut which is arched elastically deforms and applies a force to the fastener which locks.
A speed nut aka sheet metal nut or tinnerman nut is a type of locknut with two sheet metal prongs that act as one thread.
After being mounted on the metal plate the rivet interface is expanded so as to be fixed on the plate.
As the fastener is tightened in the nut the prongs are drawn inward until they exert pressure on the root of the thread on the fastener.
We found this type of nut will last much longer than a regular nut a regular nut will last for 1 2 uses only as opposed to 10 15 uses for the k nut.
Blind rivet nuts blind rivet nuts provide load bearing threads in thin sheet materials that are too thin for a tapped thread.
Buy from amazon k nut it s a nut with an attached free spinning washer.
Kapti nut fasteners are installed in a panel with a pre pierced hole by a single bow from a conventional press si.
Let the color go from the weld and then make another pass to the nut thus attaching the nut and not welding the threads.
Self clinching fasteners were designed almost 70 years ago as way to attach components to thin sheet metal and ensure the connection would withstand hard tugs and torque loads.
Carriage bolt same type as your cross nut.
Once the rivet nut is installed additional components can be attached using threaded fasteners.
1 4 20 cross nut 1 4 20 bolt.
The fastener serves the functions of both a lock washer and a nut.