M4X25 White Zinc Plated Phillips Pan Head Self Tapping Screw

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 pc
Supply Capability:
50000 pc/month

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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(blackGray),Black,Zinc Plated,(green,blackwhite 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. 

 

Sample terms

Sample free offered if available in stock,otherwise there will be sample charge


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 meterSalt atmosphere testing machineRing gauge, General gage, sclerometer, Projector, die gage, image screening instrument



3,products show 

M4X25 White Zinc Plated Phillips Pan Head Self Tapping Screw

M4X25 White Zinc Plated Phillips Pan Head Self Tapping Screw

M4X25 White Zinc Plated Phillips Pan Head Self Tapping Screw


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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:How did the scrHow did the screw become round?ew become round?
Landlord refers to the screw head into a round can not be disassembled, you can use the saw in the screw head saw a slot, and then use a flat screwdriver can be removed, you can also use a pipe clamp to try, but the space to be bigger!
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: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:How does the screw rust die?
Red: some of the top of the device screw corrosion to take shape, can not use wrenches, wire clamp discharge, both the impact method. First with a hammer and through the top of the cone in the vertical direction of the screw impact of a v-shaped groove. Then, adjust the chuck angle, along the direction of the screw out of the impact, see Figure 2. To be loose, you can use the wire clamp to screw out the screw. "A" or "ten" when the screw slide, you can also use this method, combined with the wire clamp screw out the screw.
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)
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: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:What is the meaning of the 8.8 on the screw
Alina: refers to the strength of the thread level, the decimal point in front of the tensile strength, 8 is 800MPa, 10 is 1000MPa, the decimal point behind the value of the yield limit and the tensile limit ratio, .8 is 0.8.
Q:What does the screw mean?
crews for the daily life of indispensable industrial necessities: such as cameras, glasses, watches, electronics and other small screws used; television, electrical products, musical instruments, furniture and other general screws; as works, construction, bridges are large Screws, nuts; transport equipment, aircraft, trams, cars, etc. are the size of the screw and use. Screws have an important task in industry, and as long as there is industry on earth, the function of screws is always important. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind.

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