DIN558 Hexagon Head bolts- Full Thread

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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:Who is the information on fasteners ah?
Fasteners, accessories and fittings Product categories: screws, waffles, bolts, nuts, screws, rivets, studs, washers, assemblies and connecting parts and related products.
Q:The cross screw of the cross screw was polished and how the screws were unloaded
Find the same impact with the screw cross the size of the mold head, with a hammer hit the impact of the screwdriver can be removed to cross the brush almost screwed. The
Q:What is the difference between Chinese-made screws and US screws?
Formal manufacturers of screws from the size of the model is no difference (except small factories or workshops), the difference is mainly from the manufacture of screws and materials used in the surface of the treatment process only. Say even the Chinese exports of screws, in terms of manufacturing is also in accordance with foreign standards or contract requirements (such as the use of foreign customers specific raw materials or technology), the cost is relatively high, not the domestic market sales. Reference it.
Q:I would like to ask the car transmission inside the thrust washer (thrust washer) is used to do ah?
Figure 3 thrust washers, 4 needle bearings, thrust washers to prevent excessive wear of the main bearings, the usurper.
Q:Specific conditions for use of spring washers
The conditions for the use of spring washers are as follows:The application of spring washer, can be applied to the following four standards: standard spring washer (GB93-1987), light spring washer, (GB859-1987), heavy spring washer (GB7244-1987).The purpose of the spring washer is to prevent the nut from loosening. In the national standards are illustrated. The six corners of the slotted nut is matched with the bolt and screw for end with hole, so that the split cotters inserting screw nut from the groove in the hole, preventing the nut macnaught loose, mainly used for vibration load or alternating load applications.
Q:How is the screw produced
Should be used machine tools (lathe) processing and then re-processing of it only have it
Q:I would like to ask what is the standard gasket and gasket in general what material?
Stainless steel, there are A2 (304) or A4 (316) material or something
Q:What screw can get into the iron?
You use high-strength drill bit, drill hole, after drilling with a tap, cone wire, tighten the screw, how much wire according to your choice.
Q:Is the tail screw? If it is mainly used in what place? If not what are they different?
This kind of screw called what I really do not know its name, the use of the place to see really not much, I see the place are generally used in machinery and equipment above, as you said what role, my personal point of view is To prevent slipping, because it is the head of a large slip wire, need to hand to adjust to the correct position to fall off, know that so much, not professional, Oh ~ hope to help you! The
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.

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