DIN928 Square Weld Nuts

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Product Description

Product Name

DIN928 Square Weld Nuts

Material

Carbon Steel, Stainless Steel 201/ 304/ 316  or others.

Size

M4--M22

Standard Model

DIN ANSI JIS ASTM

Min Order

1000piece/ pieces


Packaging & Shipping

Packing

Inner Box + Carton Box + Pallet or Under Your Requirement

Supply capacity

10000000 piece/ pieces per month

Delivery time

5~20  days after deposit

Export market

Asia, America, Europe, Africa, markets.


Our Services

1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery


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Q:Is the tail screw? If it is mainly used in what place? If not what are they different?
Yes, can be directly set in the material, the basic material on the drilling, mainly used in the steel structure of the color steel tile can also be used for simple construction of thin plate fixed.
Q:Would like to know the role of flat washer?
In simple terms, the fastener medium has mainly above the washer, sealing, decompression, increase friction damping, fixed five role.
Q:What is the fastener and others?
Chinese name: fasteners English name: fastener
Q:This screw ye use, and how to use next to the cover
This is an expansion screw. Take a suitable electric drill bit to drill a hole in the wall, and then put the sleeve into the eyes of the drill, put the screw into the sleeve, this than the ordinary screw firm.
Q:M4.8 * 25 What does it mean in screw size?
Nominal diameter of 4.8mm, the length of 25.4.8 should be more from the tapping, should not use M said, M generally said machine thread M4.8 is the screw size 25 is the length of the screw diameter 4.8mm, length 25.
Q:Why do some nuts and washers, and some nuts without washers
If the diameter of the screw and the diameter of the fixed parts of the hole size difference is relatively large, if not washers, nuts and parts of the contact area is relatively small, it is necessary to increase the contact area of the gasket. In addition, the pressing oblong hole, also need to add washer. The same reason is to increase the contact area, making the connection more reliable.
Q:What way to screw a small screw
You can not unscrew the tip of the scissors with a spoon or a little scissors
Q:Who knows who invented the screw?
The spirits were invented more than 2,000 years ago, but less than 500 years for fixing things. The first person who describes the spiral is the Greek scientist Archimedes (about 287 BC - 212 BC) The Archimedes spiral is a huge spiral in a wooden cylinder used to The water is raised from one level to another, and the fields are irrigated. Its true inventor may not be Archimedes himself. Maybe he just described something that already existed. Perhaps it was the ancient Egyptian craftsmen who had designed it to use the irrigation on both sides of the river. Archimedes spiral in the ancient society are used to raise water, no one considered to change it into a fixed piece. Archimedes spirals are widely used for water lifting. For example, the Romans used it to drain the mine. In the Middle Ages, carpenters used wooden nails or metal nails to connect furniture and wooden structures. In the 16th century, nail workers began to produce spiral nails, these nails can be more firmly connected things. It was a small step from this nail to the screw. At the end of the eighteenth century, screws were quite popular as fixed parts, because at that time a cheap production method had been found. Screwdriver (chisel) appeared in London around 1780 years. The carpenter found that screwing the screw with a screwdriver was better than a hammer and could fix something better, especially when a fine screw was encountered.
Q:What is the effect of the screw?
Screws are also called screws, and the screws can be divided into three categories: machine screws, set screws and special purpose screws.
Q:How did the scrHow did the screw become round?ew become round?
How much of the screws? You can consider changing the size of a wire

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