DIN7504K JIS B1124 Washer Head with EPDM Washer self tapping Screw Self Drilling Screw
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 pc
- Supply Capability:
- 5000000 pc/month
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Item specifice
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 |
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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:M4.8 * 25 What does it mean in screw size?
- You should ask the specifications of the method should be very rare 4.8 should be more from the tapping, should not use M said, M generally said that the machine thread
- Q:Screw hole slip wire how to do?
- In the screwdriver head pad things such as double-sided adhesive, non-woven fabrics, etc. If there is no condition, then the paper can also
- 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:What is the meaning of the 8.8 on the screw
- 4.8 and 8.8 refer to the performance level of the bolt. Other bolt headers are 10.9 and 12.9. The higher the level, the better the performance of both bolts. 4.8 is defined as: 4 represents 4 * 100 = 400MPa, refers to the tensile strength of bolts 400MPa, .8 for the yield ratio of 0.8, the nominal yield strength of 400 × 0.8 = 320MPa 8.8 grade bolts performance: tensile strength = 800MPa, yield strength = 800 * 0.8 = 640MPa
- 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:Why the screw thread more closely, spin into the more effort?
- Because the length of the screw into a certain, do a certain job. The more tight the thread, the equivalent of the longer the distance rotation, power = distance × force, long distance, the need for force naturally small
- Q:Was rusty rust, the screwdriver are turning how to do, is a very important thing
- 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:What does the screw m4x6 mean?
- So, with the bolt material does not matter, no matter what kind of material you use, as long as the performance can be satisfied
- Q:No cross screwdriver, how can the screwdriver screwdriver?
- Some nail holes have depth, you can use the female (black vintage kind) steel wire card flat steel filing with a file to repair a little more can be a little more, if the nail in the plane, The use will also be on the.
- Q:I would like to know the specifications of the two types of screws models, including length, diameter, diameter and pitch, etc.
- M3: pitch: 0.5; diameter: 2.675; diameter: 2.459; outer diameter: 3; length: 6,8,10,12,16,18,20,25,30 (GB5783-86 specified length specifications) M6: Pitch: 1; diameter: 5.350; trail: 4.917; outer diameter: 6; length: 6,8,10,12,16,18,20,25,30,35,40,60. (GB5783-86 specified length specifications)
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DIN7504K JIS B1124 Washer Head with EPDM Washer self tapping Screw Self Drilling Screw
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 pc
- Supply Capability:
- 5000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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