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: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:What is the principle of screw
From a man with a manual screwdriver or a powered tool drive to produce a force pushing a small box up the slope. The longer the length of the screwdriver, the more effort it is, or the slope at the slope - that is, the amount of lubricant applied at the thread.
Q:How to rust the screw
First with gasoline drops into the gap, a few minutes later and then drip a little oil, wipe the cross groove, and then screwdriver twist, not on the use of clamp clamp clamped after the screw, such as cross recess round, On the use of steel saw saw a word slot, for the word screwdriver twist, the last one with a drill to the bolt screw off, re-drilling punching.
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:What is the effect of the screw?
The set screw is mainly used to hold the relative position between the two parts. We call the "head screw", the role of the equivalent of the role of positioning pin.
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:The Symbolic Meaning of Screw
The "crazy screw" is in the life and employment under the dual pressure, long-term super-strength, over time limit of labor, the spirit of life, , Constantly challenge the physical and psychological limits of a group of people, they bear the hard work day and night, physically and mentally tired tired, gather more away from the family, is the new era of labor and employment environment of a deformed landscape.
Q:How to remove the broken screw?
Drill a properly sized hole on the jumper screw, insert a pyramid or change it into a reverse thread, and screw the screw in the reverse thread and then unscrew the screw in the usual way.
Q:How to look at screw models
When you buy a certificate. The The Written above. The The I do not know any other way
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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