DIN6923Hexagon Nut with Flange

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Product Description

Product Name

DIN6923Hexagon Nut with Flange  

Material

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

Size

M5 -M12

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:What is the meaning of the gasket / gasket material bar 200HV?
Should be less than 200HV, which is gasket, should consider the tightness, high hardness of the seal is not good!
Q:What screw can get into the iron?
Self tapping screw is a screw, on, do not have to pre-open the thread, it will spin out the thread, the Chinese name "self-tapping screws."
Q:Why a screwdriver can suck the screw
Magnet in the top of the screwdriver with a direction of friction can be used more than once with magnetic convenience
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:Gasket 300HV relative to what material?
For the 100HV level can choose ST12, ST13 and Q235, Q215, Q195, etc., the surface hardness can reach about 110HV
Q:How does the screw rust die?
Burning: some screw embroidery is very serious, with the above method is still ineffective, you can use the "fire attack." Put the screws and nuts thoroughly with gas oxidation flames, then drop a few pieces of oil into the red screw. The purpose of the heating screw is to heat the screws. The purpose of the drip is to quickly shrink the screws cold, increase the gap between the screw and the nut, the oil into the back nut can be unscrewed. But if there are plastic devices near the use of this method
Q:How to look at screw models
When you buy a certificate. The The Written above. The The I do not know any other way
Q:What is the meaning of the 8.8 on the screw
4.8 and 8.8 refer to the performance level of the bolt. Other bolt headers are 10.9 and 12.9. The higher the level, the better the performance of both bolts. 4.8 is defined as: 4 represents 4 * 100 = 400MPa, refers to the tensile strength of bolts 400MPa, .8 for the yield ratio of 0.8, the nominal yield strength of 400 × 0.8 = 320MPa 8.8 grade bolts performance: tensile strength = 800MPa, yield strength = 800 * 0.8 = 640MPa
Q:What is the effect of the screw?
The set screw is mainly used to hold the relative position between the two parts. We call the "head screw", the role of the equivalent of the role of positioning pin.
Q:Screw M is mechanical teeth, tapping is what?
Screw M is the outer diameter of the meaning, such as M5 screws, that is, the outer diameter (maximum thread diameter) of 5 mm screws

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