SS Socket Head Cap Screw Self Drilling Screw /Self Tapping Screw High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
5000000 pc/month

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Item specifice:

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

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                

SS Socket Head Cap Screw Self Drilling Screw /Self Tapping Screw High Quality

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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 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:What is a self-tapping nail? Is it used? What are the characteristics of the shape? What is the difference with ordinary screws?
Ordinary screws need to be fitted with nuts, or with the tolerance thread. Self-tapping nail body with self-tapping thread, you can directly into the wood, walls and other fixed use.
Q:The cross screw of the cross screw was polished and how the screws were unloaded
Find the same impact with the screw cross the size of the mold head, with a hammer hit the impact of the screwdriver can be removed to cross the brush almost screwed. The
Q:The idiom of the screw
Meaning modesty, that their own small insignificant, insignificant but indispensable.
Q:What is the meaning of the screw and the 4 and 8?
He means that the tensile strength of the screw minimum 400MPa, the minimum yield strength of 320MPa (tensile strength of 80%). Please refer to the national standard GB3098.1 or ISO international standard ISO898-1 the requirements.
Q:How much is a screw?
If the inside of the screw is not the same specifications, the same material, even if not how much money out of a.
Q:What screw can get into the iron?
This screw we usually call the tail wire it has a drilling tapping and fastening parts to complete the function of a one-time convenient; drill recommended with the speed of hand drill! Because the speed of this hand drill can be slow down the general hand drill speed is too high in a short period of time to burn the drill wire drill hole in the face of the drill wire can not enter; even into the sometimes because the speed is too high and twist Broken footers in vain! OK!
Q:Is the screw a bevel?
Yes, the inclination of the object can be seen as a slope This can be seen as a slide, the slide is a slope. The slope is a simple machine. The screw is screwed into a cylindrical slope, the thread on the screw is like the pattern formed in Figure (A), the length of a circle of threads is equivalent to the length of the slope.
Q:How did the screw twist?
after the drill with the drill cap will be destroyed. The use of the principle of anti-silk will be the remaining screw drilled (you can use a broken screw-specific drill bit - broken screw out of the device)

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