China Manufacturer High Quality DIN7981 Cross Recessed Pan Head Tapping Screws
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 5000000 pc/month
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Specification
1,Specification
Standard | GB, DIN, ISO, ANSI, ASME, IFI, JIS,BSW,AS,Q,HJ, |
Size | According to your request |
Materials | 1,Stainless Steel: SUS201,SUS302,SUS303, SUS304, SUS316, SUS410, SUS430 2,CarbonSteel:C1006,C1008,C1010,C1018,C1022,C10B21,C10B33,C1035,C1045, C435#,40CrMo,42CrMo 3,Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40) 4,Bronze: C51000, C52100, C54400, etc 5,Aluminum: Al6061, Al6063 etc Aluminum Alloy: Al6061, Al6063 etc 6,Titanium and Titanium Alloy: TAD,TA1-TA8,TB2,TC1-TC10 7,Alloy steel: SCM435,C10B21,C10B33 8,Iron:1213,12L14,1215,ect |
Surface treatment |
|
2:Business terms | |
Report | SGS,ROHS, |
Trade terms | EXW, FOB,CIF,CFR |
Packing | Packing: Poly bag, Small box, Plastic box, Carton, Pallet 25kgs/ carton, 36 cartons/ pallet. Carton dimension: 39cm*28cm*13.5cmpallet dimension: 100cm*100cm*80according to the customer’s requirement |
Payment terms | TT 30% deposit in advance, 70% Balance Before shipment, 100% LC at sight,Western Union. Ali- pay |
Sample terms | Sample free offered if available in stock,otherwise there will be sample charge |
3. Quality control systems
Quality Certification | SGS,ROHS, ISO9001:2008, ISO14001:2004 |
quality system | 100% of full line testing system, keep with the international standard |
Inspection equipment | Caliper, Microcline, Torsion meter, Salt atmosphere testing machine, Ring gauge, General gage, sclerometer, Projector, die gage, image screening instrument |
4. Company general impression
Company cover | 5000 square meter |
Employee | 80-100 people |
Equipment | 50 sets |
- Q: Screw hole slip wire how to do?
- With a small amount of 502 glue into the screw hole, and then screw into the screw, such as glue after solidification and then use the tip of the nose to pull the screw out (only the screwdriver is not afraid of causing the screw teeth), waiting for the glue to fully hardened
- Q: What is a screw? What is a nail? What is the concept? What is the difference!
- Machine nails are mechanical bolts, mainly due to mechanical connections, due to smaller size mechanical screws
- 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?
- Screw nail head in the outside with a saw saw a word and then a word screwdriver out ,,, in the inside, with a drill to him to drill
- 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: What is a self-tapping nail? Is it used? What are the characteristics of the shape? What is the difference with ordinary screws?
- Compared with the common screw thread, in the same large diameter, the pitch is small and small diameter is slightly smaller, has been standardized. Self-tapping screw material can be divided into two kinds of carbon steel and stainless steel, carbon steel materials which are usually used in 1022 medium carbon steel. Usually used in doors and windows, metal. The head is the end of the end of the shape of the part of the formation of the formation of the surface.For thread forming and thread cutting self-tapping screws (self-tapping screws), the flat top buried, flat round countersunk, pan head, hexagonal and hexagonal wire Head of the most important, these five head type accounted for almost all 90% of self-tapping screws, the use of self-tapping screws (self-tapping screws) should first consider this.
- Q: Why are the screws of the screw?
- Fine thread thread pitch is small, the angle is small, self-locking is better, high strength, because the teeth are not wearable, easy to slip. Fine thread is often used in fine parts, thin-walled pipe fittings or by the impact, vibration and variable load connection, can also be used as fine-tuning mechanism for adjusting the thread.
- Q: Please understand the friends of the self-tapping nails, screws, nuts production process, is the manufacturer's process. The more specific the more detailed the better
- According to the screw nut and thread size custom the corresponding mold, mold is done into the material, then the head - rubbing - surface treatment - the packaging is complete.
- Q: How is the screw nailed to the wall
- First with the diameter of the nail into the half, and then come up with that nail, then screw into the screw
- Q: Who knows who invented the screw?
- The use of the slope of the principle of the slope, with a small force can push up the heavy objects, as shown in Figure 1; human history for the first time the record of the helix design is appeared in the second century BC, was applied to improve Water level, irrigation, pumping equipment, known as water screws, so the inventor of water screws - - Archimedes (287-212 BC) is recognized as the father of screws
- Q: Inside the hexagonal screws, rather not down, it may be too much screw on the screw too tight has been bad 3 screwdriver screw is too small also one-half of rice grain please help think about ways
- Skip the screws before tapping a few times. Sprinkle the rust on the screw, it should be easy to win.
Send your message to us
China Manufacturer High Quality DIN7981 Cross Recessed Pan Head Tapping Screws
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 5000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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