STAINLESS STEEL SELF DRILLING SCREW in STANDARD and NONSTANDARD SIZES
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000000 pc/month
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1，description of the stainless steel self drilling screw in standard and nonstandard sizes
2, the products show
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.
- Q:How much is a screw?
- Let me tell you: a box of screws 500 yuan, a box of 600, how to calculate how much money? Fasteners consultants Yu Wenlong that a box of screws are the same standard, the same specifications, the same material screws, A 500600 = 083 yuan, about each is 083 yuan,
- 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.
- You can use a chisel in the screw cap to open a word mouth, and then use the screwdriver can be screwed down.
- Q:No cross screwdriver, how can the screwdriver screwdriver?
- If the head of the screw is fully exposed, use a large pliers to tighten the screw head from the side and turn the screw to the right.
- 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:Is the tail screw? If it is mainly used in what place? If not what are they different?
- Yes, can be directly set in the material, the basic material on the drilling, mainly used in the steel structure of the color steel tile can also be used for simple construction of thin plate fixed.
- 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?
- First with a small hammer and other heavy objects into the wood a little, and then a screwdriver, on the line, try
- Q:Why the screw thread more closely, spin into the more effort?
- This is due to the spiral angle of the thread becomes smaller, the pitch of the thread, the lead becomes smaller.
- Q:How to look at screw models
- That is, there are certain specifications of the national standard, such as: M6, M8, M10, M12, M16, M20. Which 7911131415171819 there is no. Wrench it as such as: M6 wrench, M16 wrench and so on.
- 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 did the scrHow did the screw become round?ew become round?
- (1) in the screwdriver head pad things such as double-sided adhesive, non-woven fabrics, etc. If there is no condition, then the paper can be, so you can increase the friction. (2) with a small amount of 502 glue into the screw hole, and then screw into the screw, and so the glue after the solid tip and then use the tip of the screw to pull out the screw (only the screwdriver is not afraid of causing screw teeth). (3) fruit screw cap exposed, you can use the tip of the clamp clamp screw cap after the screw. (4) the general mobile phone screws are metal, the case is plastic, not screw down when the time. You can use the tip of the screw into the screw cap, the metal screws to screw the plastic around the plastic melting, with the tip of the clamp clamp, gently pull out! You can also force down the screws about 1 mm (be careful not to engage in the chassis), you can solve the problem of loose screws. (5) so little the screw is not easy to get, my father had to repair the original bike screw method, with a small electric drill in the middle of the screw to play a not deep hole, and then find an anti-silk tap into the (must Anti-wire tap, it is difficult to find, to go to a large measuring blade cutting shop), you can unscrew the.
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STAINLESS STEEL SELF DRILLING SCREW in STANDARD and NONSTANDARD SIZES
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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