The captive screws are also called loose screws, spring screws and captive screws. It is riveted or rose riveted to the mounting plate, and the position of the plate and the plate is fastened by screws.
Various types of screw threads are divided into the following four types:
A: Triangle Thread (60 degrees) : Binding/Lock B: Triangle Thread for Pipe (55 degrees): Binding/Lock C: Trapezoidal Thread (30 or 29 degrees) : Power Transmission D: Square Thread (90 degrees) : Power transmission
Captive screws
Captive screws apply to
1 stainless steel plate, metal steel plate, galvanized steel, engineering installation.
2 metal curtain wall metal light compartment and other indoor and outdoor installation.
3 General angle steel, channel steel, iron plate and other metal materials combined installation.
Stainless steel captive screws
4. Assembling works for car trunks, container boxes, shipbuilding, and refrigeration equipment.
Dongguan Jinchenda Hardware Products Co., Ltd. produces a large number of stainless steel 304 loose screws and stainless steel 316 loose screws.