DIN558 Hexagon Head bolts- Full Thread

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10000000 piece/ pieces per month pc/month

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Product Description

Product Name

DIN558 Hexagon Head bolts- Full Thread

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:How did the scrHow did the screw become round?ew become round?
(1) in the screwdriver head pad things such as double-sided adhesive, non-woven fabrics, etc. If there is no condition, then the paper can be, so you can increase the friction. (2) with a small amount of 502 glue into the screw hole, and then screw into the screw, and so the glue after the solid tip and then use the tip of the screw to pull out the screw (only the screwdriver is not afraid of causing screw teeth). (3) fruit screw cap exposed, you can use the tip of the clamp clamp screw cap after the screw. (4) the general mobile phone screws are metal, the case is plastic, not screw down when the time. You can use the tip of the screw into the screw cap, the metal screws to screw the plastic around the plastic melting, with the tip of the clamp clamp, gently pull out! You can also force down the screws about 1 mm (be careful not to engage in the chassis), you can solve the problem of loose screws. (5) so little the screw is not easy to get, my father had to repair the original bike screw method, with a small electric drill in the middle of the screw to play a not deep hole, and then find an anti-silk tap into the (must Anti-wire tap, it is difficult to find, to go to a large measuring blade cutting shop), you can unscrew the.
Q:What is the invention of the screw?
Screws Today, many things are screwed together. Look around the house, the eyes see all kinds of things - from furniture to food processors, are connected with screws. The spirits were invented more than 2,000 years ago, but less than 500 years for fixing things. The first man who describes the spiral is the Greek scientist Archimedes (about 287 BC - 212 BC). The Archimedean spiral is a huge spiral in a wooden cylinder that is used to raise water from one level to another and irrigate the fields. 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. Right: Archimedes spiral is widely used for water. 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.
Q:What are the technical requirements for fasteners?
Fasteners are generally standard parts, have national standards (except for special requirements)
Q:Do not use self tapping screws
Self tapping screws are needed to use the gasket.A part between a connector and a nut. A flat metal ring is generally used to protect the surface of the connecting piece from the nut.
Q:What are some of the common fastener products?
This fastener has two parts of the head and the nail, the two through-hole parts to connect the role of fastening, so that they become a whole. This connection is called rivet connection, sometimes called riveting directly. This connection can not be disassembled, because the two parts to separate, then we must put the parts on the rivets to destroy.
Q:How to look at screw models
That is, there are certain specifications of the national standard, such as: M6, M8, M10, M12, M16, M20. Which 7911131415171819 there is no. Wrench it as such as: M6 wrench, M16 wrench and so on.
Q:The Symbolic Meaning of Screw
The "crazy screw" is in the life and employment under the dual pressure, long-term super-strength, over time limit of labor, the spirit of life, , Constantly challenge the physical and psychological limits of a group of people, they bear the hard work day and night, physically and mentally tired tired, gather more away from the family, is the new era of labor and employment environment of a deformed landscape.
Q:Fasteners are used in what areas?
General use of a wide range of applications, such as machinery, electronics, transportation, furniture, construction, chemicals, ships, toys, etc., life is everywhere. Aerospace fasteners are fasteners designed for aerospace vehicles.
Q:How is the screw to use?
First with a small hammer and other heavy objects into the wood a little, and then a screwdriver, on the line, try
Q:Screw hole slip wire how to do?
The thin copper or cloth wrapped in a screw, and then spin into (emergency, reliability can not be guaranteed)

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