hot saling stainless steel kalei press nuts Jingyang brand Kalei nuts JIKNHS are installed in stainless steel sheet metal specially.The installitation is very easy. Description: 1.The thread size of Shanghai Jingyang Kalei nuts--JIKNHS are:M2.6,M3,M4,M5,M6,M8. 2.Surface treatment: Passication. 3.Sheet rigidity: Lower than HV200. Characteristics: 1.Treatment of thin sheet. Install this nut on sheet with thickness of not less than 0.6mm. 2.Materials that are difficult to joint with. This nut can be used on steel mateials that is hard to joint with,and also on materials such as aluminum, stainless steel and plastic 3.High installing strength This part under head has its unique shape,when it is pressed in , sheets are fixed ,and higher installation strength is obtained. 4.Easy installation. 5.No need for special tooling ,air pressure and hydraulic pressure would be enough for simple installation. 6.The opposite side of nut is flat while the surface is not. 7.Still can be used after surface treatment .