Brass Self Tapping Screw China Machine Screw Chipboard Made in China

Brass Self Tapping Screw China Machine Screw Chipboard Made in China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 2500000 m.t./month

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1. Brass Self Tapping Screw China Machine Screw Chipboard Made in China Description：

Chipboard Screws Customization is welcome . We could produce various Chipboard Screws according to buyers’drawing or samples/Non-standard screws.The price, picture

and product attributes are for reference only. Specific matter can be confirmed

by a further communication. Welcome your consultation.

2.Main Features of Brass Self Tapping Screw China Machine Screw Chipboard Made in China：

1.size:standard and customised
2.material: Carbon Steel(1022,1018), SUS(302,304,316,410)
3.finishing: Zinc/Black/Brass etc.
4. GB, DIN, ANSI, JIS, BSW

3. Brass Self Tapping Screw China Machine Screw Chipboard Made in ChinaImages

Brass Self Tapping Screw China Machine Screw Chipboard Made in China

4. Brass Self Tapping Screw China Machine Screw Chipboard Made in China Specification

Products Details
Available Material	1. Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
	2. Steel: C45(K1045), C46(K1046), C20,etc.
	3. Brass: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40),etc.
	4. Bronze: C51000, C52100, C54400, etc.
	5. Iron: 1213, 12L14, 1215, etc.
	6. Aluminum: Al6061, Al6063, etc.
	7. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045,12L14,etc.
	8. Alloy steel: SCM435,10B21, C10B33,etc.
Material Class	4.8 6.0 8.8 12.9
Specification	Various head style and sizes per your request
Surface Finishing	Zn-Plated, Ni-plated, Tin-plated, Passivated, Sandblast and Anodize;
	Chromate, Polish, Electro Painting, Black Anodize, Plain, Chrome plated;
	Hot Deep Galvanize(H.D.G.) etc.
Heat Treatment	Tempering, Hardening, Spheroidizing, Stress Relieving.
Standard	ISO, DIN, GB, IFI, B.S. ART.
Sample	We could make sample within 7 days free of charge
Lead time	Per on order quantity
Packing	Boxs or pallet or customer request
Payment terms	L/C,T/T chipboard screw

5.FAQ

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

One of the most biggest manufacturer & supplier of Screws，is a large-scale professional Chipboard Screws factory in China. Annually more than 10000 tons screws are exported to markets all over the world. Different kinds of Screws are available according to customer’s requirements.

2.What is advantage of our products?

All items are of Top Quality with best price. Direct wholesale price from Factory and 100%quality guaranteed .Large Selection with all sizes .

3.How long can we receive the product after purchase?

In the purchase of Chipboard Screws within three working days, We will arrange the factory delivery as soon as possible. The pacific time of receiving is related to the state and position of customers. Commonly 15 to 20 working days can be served.

Q:M4.8 * 25 What does it mean in screw size?: No meaning that there is no one of the most close to the national standard is, M5 * 25 For example, GB70.1, M5 × 25 hexagon socket head cap screws

Q:Want to fix something, which is a triple iron (do not know how thick), would like to ask what screws can be turned into? Can ordinary drill go in? The question is to consider the drill or consider the screw, or have to consider? Thank you! The: Because this screw (metal self-tapping screw) than iron, can eat iron. Coupled with its special design type, so it can be drilled less than its small diameter in the hole. So you have to first drill with a drill before drilling a hole smaller than its diameter it is possible to drill into.

Q:What is the invention of the screw?: Hello hello as early as 2000 years ago appeared, but it will be used for fixed objects to be delayed until about 500 years ago. The first person who describes the spiral is the famous ancient Greek scientist Archimedes, which uses a wooden bucket to make a spiral object used to extract water from one plane to another plane for irrigation. By the middle of the Middle Ages, craftsmen used wood nails or metal nails to connect the wood structure of the building. This should be the real predecessor of the screw. In the 16th century, people began to produce spiral nails. And to the 18th world, people began a large-scale production of fastening objects with a screw nail. The afternoon is helpful to you

Q:A tightened screwdriver has been damaged, that is, the cross into a round mouth, and now I need to get it out for a new one, is there any way to take it out?: If the screw nail head on the outside, you can use the hacksaw saw a word again, and then use a relatively large one screwdriver out, if it is Shen head head, only slowly with a file to do, and then screwdriver.

Q:How is the screw produced: Annealing: the wire heated to the appropriate temperature, to maintain a certain time, and then slowly cooling to adjust the crystal structure, reduce hardness, improve the room temperature processing. Pickling: Remove the oxide film on the surface of the wire and form a layer of phosphate film on the metal surface to reduce the wire drawing and cold pier or forming process. To the required diameter. Practical for some products can be divided into coarse pumping (shelling) and fine pumping two stages. Molding: The wire is forged by cold forging (or hot forging) to achieve the shape and length (or thickness) of the finished product. The finished semi - finished product is rolled or tapped to achieve the desired thread. Practical for the bolt (screw) known as the rolling teeth, teeth known as the rolling teeth, nuts called tapping. Heat treatment: according to the object and the purpose of different different heat treatment can be used. Quenched and tempered steel: quenched high temperature tempering (500-650 ℃) spring steel: quenched after tempering temperature (420-520 ℃) ??carburizing steel: carburizing after quenching and then low temperature tempering (150-250 ℃) low carbon and In the carbon (alloy) steel quenched into martensite, with the tempered temperature rise, the general rule is the strength decreased, while the plasticity, toughness rise. Surface treatment: surface treatment that is through a certain method in the workpiece surface coating process, the purpose is to give the product surface appearance, anti-corrosion effect.

Q:How did the screw twist?: with a very small pointed nose pliers, living out to me pulled out ~

Q:Also known as screw nails, I want to nail on the board, but there is no way to nail into the hard, how nail?: Wood must use a self-tapping screwdriver, if it is a common machine above the screws can not be nailed to the board above, if the wood is relatively hard, it is recommended to use a drill above the board to play a smaller hole than the self- , So more effort

Q:What is the principle of screw: How it works: Lever principle The screw itself is no theory, the screw thread is a long slope, but the angle is very small. You can assume that when you twist the thread, it is equivalent to pushing a square on the slope. Force analysis: box weight + friction and thrust from now on the use of the principle of leverage.

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:I am a trainee apprentice, recently encountered a problem, that is, some screws are screwdriver screwdriver or hexagon turned no thread. Can not buckle, only in the inside idle. What is the general use of this situation to open it? Thank you, more urgent.: Next time do not move do not stand with stupid. Dripping hair dynamic ah. As for how to do bad bad. Others have already said

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