In fact, the Chicago screws is also called male and female screw, lock screw, but also a kind of combination screws, the screw is called the male screw, the post is called the female screw. Generally the Chicago screw are to play a tight role, will be used in bags, leather goods, clothing and so on.

The other name of Chicago screw
1. Because the product is like the Chinese word "gong", so it is also known as H-screw;
2. Because it is an indispensable part of the popular car key bag, also called the car key bag screw;
3 is also used for accounting books, also known as book screws,
4. Used for album, also called album screw.
Summed up the male and female screw production name is: Chicago screw, male and female screw, H-screw, car key package screw, book screw, album screw and so on.

The material classification

Now more popular is mainly made with copper and brass , followed by iron and stainless steel, because stainless steel is not easy to process, generally do not use this material, in addition, iron is not high-grade enough to choose this material as far as possible, copper and brass are more common, most of the market is also some kinds of material.
 
Plating color  
There are mainly natural, gold,sliver,black,metal gun,antique brass etc., there are generally two types of plating:Rolling plating and Hang plating.in addition, the rolling plating effect is not good, generally used for low-grade products,sothe most common way is to hang plating.

Suzhou Anzhikou Hardware Technology Co., Ltd. is a screw manufacturer with 20 years experience. We can customize productions, according to your drawings and samples, also can provide you with suitable fastener solutions. If necessary, you are welcome to inquire!