STAINLESS STEEL SELF DRILLING SCREW in STANDARD and NONSTANDARD SIZES

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Shanghai
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TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
100000000 pc/month

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Product Description:

1,description of the stainless steel self drilling screw in standard and nonstandard sizes

STAINLESS STEEL SELF DRILLING SCREW in STANDARD and NONSTANDARD SIZES

2, the products show

STAINLESS STEEL SELF DRILLING SCREW in STANDARD and NONSTANDARD SIZES

 

3,OUR ADVANTAGE AND SPECIFICATION

1.    Our company has been dedicated to producing stainless steel screw, owning complete producing technology and abundant managing experience.

2.    The raw material such as mother tube, round bar we use is from Chinese biggest and well-known steel mill

3.    We have advanced NDT equipments for the tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on.

4.    We have ISO 9001 and PED certificate, and the Third Party Inspection Certificates such as TUV, BV, Lloyd’s, SGS, etc, also can be provided according to customers’ requirements,

5.    Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packed in bundles is also welcomed by some customers.

6.    The tolerance control we use is D4/T4 (+/-0.1mm) on both inside and outside Diameter and Wall Thickness, which is much higher than international standard ASTM, DIN.

7.    The surface condition is one of our main advantages: in order to meet different requirements for surface condition, we have annealing and pickling surface, bright annealing surface, OD polished surface, OD & ID polished surface etc.

8.    In order to keep the inside surface of pipe clean and make it free from deburring, our company develops the unique and special technology --- Sponge Washing with high pressure.

9.    We have complete after-sale service to deal with the problems in time.

 

4,FAQ

Q: WHAT ARE YOUR ADVANTAGES?

A: 1. We have a specialized team in dealing with all the documents required by customers. We aim to zero error to save money and time for client. 2. We have a strict quality control from production to delivery. 3. We take use of advanced system and tool to improve working efficiency and control every step. 4. Professional sales team to serve customers. 5. Samples can be provided as your requirements. 6. Professional packing team which keep every packing safely.

Q: WHAT ARE YOUR MAIN PRODUCT?

A: We are specializing in providing cold rolled 201/410/430 Stainless Steel Coil / Stainless Steel Strip / Stainless Steel Sheet / Stainless Steel Plate, Stainless Steel Circle, Stainless Steel tube / Stainless Steel Pipe Sheets. 

Q: CAN I GET FREE SAMPLE?

A: YES. We can provide free sample. However, you should be responsible for the transportation freight. Please tell us your express account or please send us the transportation freight of samples firstly, then we can arrange sample delivery.

Q: HOW MUCH THE TRANSPORTATION FREIGHT WILL BE FOR THE SAMPLES?

A: The freight depends on the weight and packing size and your area.

 

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Q:How to look at screw models
According to the size of the outer diameter, such as the outer diameter of 6 mm, then the M6 screws. But not every millimeter has, according to a certain law.
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:How is the screw to use?
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:How do I install the screws correctly?
After we understand the characteristics of the screw, we can proceed to the next step. For example, we use the hands of a 8.8-wide hexagonal screws, then we have mastered the 8.8 hexagonal screws, the use of screws can be used to wipe some of the oil, so that we can protect the screws, in the invisible Which extended the life of the screw. And we have to use the 8.8-grade hexagon screw in the process, we will be able to know that we need to properly protect the screw head inside the hexagon, to prevent 8.8 grade hexagon screw skid, because we know 8.8 grade hexagon screw More difficult to take out. Then we can think of this screw should be used in what place? We can not put a small number of digital screws on the large industrial above, so that the screws can not withstand the pressure of large industrial above, so we need is to help the screw to choose a suitable place, so the screw on the matter The value of the.
Q:No cross screwdriver, how can the screwdriver screwdriver?
Is the big nail? This is a lot of ways to find alternatives: glasses, calculators and other flat on the plane can be used to decorate the tip of the blade, be careful not to cut the hand do not cut the mirror material.
Q:Why a screwdriver can suck the screw
Because the top of the screwdriver with magnetic junior high school there
Q:What tools are used to remove the screws, the two lines are grooves, the middle of a paragraph is convex
Motor on a lot of screws on this one, one by one in the middle of a word with a knife set a trough can be used
Q:What is a self-tapping nail? Is it used? What are the characteristics of the shape? What is the difference with ordinary screws?
Self-tapping screws are in the metal or non-metallic materials in the pre-drilling in the self-drilling with a threaded thread with a threaded fastener. Self-tapping screws with high tension, single, unilateral combination of features. Self-tapping screws are used for connection between thin metal plates (steel plates, saw boards, etc.). When connecting, first thread the bottom of the connector, and then screw the tapping screw into the threaded bottom hole of the connected part. As the tapping screw thread surface has a high hardness (≥ 45HRC), can be connected to the threaded bottom hole in the internal thread, thus forming a connection.
Q:Why the screw thread more closely, spin into the more effort?
Screw thread more dense, indicating the screw thread deep and shallow, the screw in the advance the resistance of the smaller, when the spin naturally more effort.
Q:Screws, bolts, screws, what is the difference between the three ah?
The screw is an incorrect call, non-professionals on the threaded parts collectively, in the industry without this call. In the fastener industry, in fact, screws and bolts are not a strict sense of the distinction. However, there are two ways in the industry to distinguish between screws and bolts: 1. According to the structure, the so-called twist structure, refers to the screw / bolt used to put the wrench above the place, that is, In some systems inside, the external pull the structure of the external screw rod-shaped parts are all called the bolt, on the contrary, will pull the structure called screw. This is a more obvious example is the Chinese national standard fasteners, for example, GB5782, GB5783 (a half thread, a full thread), the hexagonal bolts, The Because they are hexagonal structure, so, in the standard name, all called: bolts. 2, according to whether the product has a non-threaded bar features to distinguish. This is also a relatively wide use of a classification method, are generally so distinguish between bolts and screws. That is, if the part of the product other than the head is threaded, this part is called a screw. On the contrary, if, in addition to the thread but also has a light rod and other characteristics, called the bolt

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