Fasteners: T-Head Bolt & 316 Wing Screws

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Ningbo
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TT OR LC
Min Order Qty:
100000 pc
Supply Capability:
10000000 pc/month

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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)

  • Brand Name: CMAX

Packaging & Delivery

Packaging Details:box,carton,pallet
Delivery Detail:30days or advance

Specifications

Thread forming screws

Material:Steel or stainless steel
According to drawing

 

 

 

 

 

1,Products Detailes
Productsbolt,screw,nut,washer,pin,rivet and non-standard fastener
SizeStandard and Non-standard according to drawing or samples
Machinesauto pressing machines, automatic heading machine, cold header high-precision surface grinder machine, involantary grinder machines,Digital Micro Vickers Hardness tester, Electrolytic metrical thickness gauge, Vision Measuring Machine,Fischer Scope X-ray Thickness Gauge and so on
Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2,Steel:C45(K1045), C46(K1046),C20
3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
C27200CuZn37), C28000(CuZn40)
4.Bronze: C51000, C52100, C54400, etc
5.Iron: 1213, 12L14,1215
6.Aluminum: Al6061, Al6063 etc
7,.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
8, Alloy steel: SCM435,10B21
Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.
Heat TreatmentTempering,Hardening,Spheroidizing,Stress Relieving.
StandardISO,GB,DIN,JIS,ANSI,BSW
Manufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipping
Sample we can supply the samples for free,if the samples we have in stock
Lead time10-15 working days as usual,It will based on the detailed order quantity.
Carton size36*24*16 CM &36*24*12 CM
Pallet size110*100*90 CM
Warrantywe confirm our goods will satisfy your request of 100%
After sales servicewe will follow up goods for every customer and help solve problem after sales.

 

 

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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:Screws, bolts, screws, what is the difference between the three ah?
Screws are more general. The exact statement should be bolts, screws, and screw caps. Bolts and screws are round bar objects, engraved with equal spacing thread. Bolts are flat head cylindrical type; the screw is the front is pointed like a nail. The bolts must be used with the screw cap, or on objects that have been threaded. Screws are used in relatively soft or relatively thin objects, when used with their own thread side of the rotation side of the forward drilling. The threads on the bolts are relatively shallow without the edges; the threads on the screws are sharper and the threads are deeper, facilitating drilling into the objects. Most bolts and screws require a simple and easy tool - the screwdriver.
Q:How is the screw produced
The In twist
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 did the screw twist?
after the drill with the drill cap will be destroyed. The use of the principle of anti-silk will be the remaining screw drilled (you can use a broken screw-specific drill bit - broken screw out of the device)
Q:What is the size of the screw for the wall power switch installation
General use M4 * 25--35 screws, the best installation of the first screw to the oil try to screw about, so easy to install.
Q:The cross screw of the cross screw was polished and how the screws were unloaded
First with a diagonal pliers to screw out the word screwdriver of the gap, you can also use the saw blade, if it is embedded in the shell can only use the diagonal pliers. This solves the problem of the screwdriver, the next step is to twist, and use a diagonal pliers or other tools to insert the bottom of the screw cap, so that the pry can come out.
Q:Is the screw a bevel?
Yes, the inclination of the object can be seen as a slope This can be seen as a slide, the slide is a slope. The slope is a simple machine. The screw is screwed into a cylindrical slope, the thread on the screw is like the pattern formed in Figure (A), the length of a circle of threads is equivalent to the length of the slope.
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:What does the screw mean?
crews for the daily life of indispensable industrial necessities: such as cameras, glasses, watches, electronics and other small screws used; television, electrical products, musical instruments, furniture and other general screws; as works, construction, bridges are large Screws, nuts; transport equipment, aircraft, trams, cars, etc. are the size of the screw and use. Screws have an important task in industry, and as long as there is industry on earth, the function of screws is always important. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind.

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