self-clinching standoff, usually also known as self-clinching standoff should be riveted PCB board, circuit board, and a variety of sheet metal, 

chassis cabinets, etc. Its usage is pressure riveting nut plate hole that is put in the preset general plate aperture slightly bigger than the outer 

circle (C), the transition fit, using the pressure riveting machine or press the hexagonal side impact pressure equipment into the plate hole, make 

the plate around the products plastic deformation, the deformation was piled into K groove, as to form a can be fixed on the plate of internal 

thread, beautiful and firm.