The zipper head is divided into the following according to the different nylon, metal and plastic zippers:

Nylon slider: The overall shape of the slider body is generally semi-circular. Because the nylon zipper has only one side of the zipper, the seam is wider and the side is narrower.

Metal slider: The zipper head has an angular or angular shape as a whole. Since both sides have teeth, the side seams are equally wide on both sides. The zipper head is generally semi-circular or butterfly shaped.

Plastic steel slider: Since both sides have teeth, the side seams are as wide as both sides.

The slider is made into an automatic head according to the style, such as the nose, the European head, the locomotive, the YG head, the copper cap, etc., according to the material, it is divided into zinc alloy slider, copper slider, plastic slider)

1, automatic slider

When the slider is not lifted, it can automatically lock the slider and call it the automatic head. Usually divided into five sets and three sets of automatic heads are generally abbreviated as N51A, D51A, M51A.....

Five-piece (applicable to all models): slider body SLIDER BODY, pull tab PULLER, empty cap EMPTY CAP + elastic CAP SPRING, horse hook NEEDLE (Y and C)

Three-piece (usually used for nylon No.3, metal 4.5#/ also called No.3 or No.4): SLIDER BODY slider, puller PULLER, shrapnel cap SPRING CAP

Hit the four-point pull: 2 points on the left and right sides of the cap, a total of 4 points

Hit two points: 1 point on the front and back of the cap

2, elephant head

Also known as the lockless NON-LOCK SLIDER. It is the slider only the slider body + pull tab combination, without any lock. Usually used for sheets or bags. Simple to manufacture and low in cost. The elephant trunk is generally abbreviated as N56, D56, M56....

3, European models

ITALY STYLE SLIDR This slider also has a lock.

This shrapnel Italian MMM (THREE M) factory has the best quality. China has not found a suitable one at the moment. European style pull head body + pull piece + shrapnel. The structural requirements of this European style slider

Each slider has a separate outlet. So in addition to the number three can help the guests to do six. Other models can only make up to four. There are customers who can see a lot of grains in other countries.

4, YG head

A YG head with a copper split and a YG head of a zinc alloy material, usually used for metal zippers. There are single locks and double locks. The pull tab is divided into a positive pull direction and a reverse pull direction according to the needs of the machine.