DIN7504 K Type Hex Head Self Drilling Tapping Screws with EPDM Washers

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
50 pc
Supply Capability:
5000000 pc/month

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Item specifice:

Material: Carbon Steel,Stainless Steel Standard: JIS,ISO,ANSI,BS,DIN,GB Power Supply: Diesel,Gasoline,DC Power,AC Power
Customized: Non-Customized,Customized Surface Treatment: Chrome Plated,Copper Plated,Nickel Plated,Zinc Plated,Polishing

Product Description:

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                

  • Bronze,Bronzy,red bronze, Chrome plate,color painted ,Nylok,ruspert,Magni,,Absorber Oil,Hardened,phosphate(black, Gray),Black,Zinc Plated,(green,black, white , blue , Yellow ,ROHS), Rainbow ,Plain, Nickel(black,white),Electrophoresis, Dacromet,

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                

DIN7504 K Type Hex Head Self Drilling Tapping Screws with EPDM Washers

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Q:How is the screw nailed to the wall
Use a hammer to make a hole in the wall, and then plug a plastic expansion tube, the last screw.
Q:How is the screw to use?
1, first clear the broken screw on the surface of the sludge with the center of the center of the gun will be killed by the center of the drill and then drill with a diameter of 6-8 mm drill bit in the center of the drill hole drilling, pay attention to the hole must drill through. After the hole is drilled, remove the small drill bit and replace the drill with a diameter of 16 mm. Continue to expand the hole of the bolt and drill it through. 2, take the diameter of 3.2 mm below the use of small and medium current in the broken bolt in the drilling from the inside to the outside of the surfacing welding site to take the beginning of the bolt half of the length of the bolt can not start too long So as to avoid breaking the outer wall of the broken bolt. Surfacing to the upper end of the broken bolt and then continue to pile out a diameter of 14-16 mm high 8-10 mm cylinder. 3, after welding with a hand hammer hammer its end point so that the broken bolt along its axial vibration.As the previous arc heat and subsequent cooling coupled with the vibration at this time will break the bolt and the body of the thread Between the resulting loosening. 4, carefully observed when you find a trace of rust after the break from the fracture when you can take the M18 nuts in the surfacing stigma and the two welding. 5, after welding with a cool hot plum wrench on the nut around the back and forth twist can also be back and forth twist side with a small hammer hammer the end of the nut so that you can remove the bolt off. 6, remove the broken bolt with the appropriate tap to the fabric within the rack to remove the hole to remove the rust and debris.
Q:What is the difference between Chinese-made screws and US screws?
Formal manufacturers of screws from the size of the model is no difference (except small factories or workshops), the difference is mainly from the manufacture of screws and materials used in the surface of the treatment process only. Say even the Chinese exports of screws, in terms of manufacturing is also in accordance with foreign standards or contract requirements (such as the use of foreign customers specific raw materials or technology), the cost is relatively high, not the domestic market sales. Reference it.
Q:What is the effect of the screw?
Special purpose screws such as rings are used for lifting parts.
Q:Screw production process is how the kind of
This is very simple, the screw wire is generally based on the size of the screw into the back, and then according to the order processing, starting - rubbing teeth - plating - packaging on the success
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:The Symbolic Meaning of Screw
Although small, but plays a decisive role. The role of a person, for the cause of the revolution, as a machine on a screw. The machine as a result of the connection of many screws and fixed, only to become a solid whole, can be able to operate freely, to play its great ability to work. Although the screw is small, its role is not underestimated. I would like to make a screw hello forever. Screw to regular maintenance and cleaning, it will not rust. People's thinking is the case, to always check will not go wrong. - Lei Feng April 17, 1962 diary excerpts
Q:What is a screw? What is a nail? What is the concept? What is the difference!
Screws, screws luódīng, luósīdīng [Screw] Small cylindrical or conical metal rods with threaded parts, with a slotted or with a concave head, the use of machine nails alone? What machine nail Oh? How have I ever heard of it?
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:What way to screw a small screw
With the scissors of the tip to withstand the screw retraction of the place, forced to rotate in one direction to be able to open. But it is recommended to go to the hardware tool shop to buy a small cross screwdriver, get flowers do not look good, their feelings will be affected

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