What is the difference between captive screws and ordinary screws

Update:02 Jun 2020
Summary:

The captive screws are also called captive screws, spri […]

The captive screws are also called captive screws, spring screws, and captive screws. It is pressure riveting or riveting on the mounting plate, and the position of the plate and the plate is fastened by screws.
There are four types of screw threads:
A: Triangular thread (60 degrees): Coupling/locking B: Pipe triangular thread (55 degrees): Coupling/locking C: Trapezoidal thread (30 or 29 degrees): Power transmission D: Square thread (90 degrees): Power Drive


The captive screws are suitable for
1 Stainless steel plate, metal steel plate, galvanized steel plate, 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 are combined and installed.
4. Assembly works for automobile trunks, container boxes, shipbuilding industry, refrigeration equipment, etc.

Yuyao Jianfeng Hardware Co., Ltd. was established in 2004. After 14 years of development, with the concept of honest operation and customer first, it is specialized in researching, developing, producing and selling carbon steel stainless steel non-standard parts, non-standard screws and special-shaped cold pier parts. Industrial and Trade Integration Co., Ltd., which is a non-standard rivet and fasteners, cold pier molds, etc.

Jianfeng Hardware adhering to the "satisfy customer needs," the purpose of the company's excellent service quality, excellent product technology to meet the growing market demand.