Fasteners: Slotted Drilled Fillster Head Screws

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100000 pc
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10000000 pc/month

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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)

  • Brand Name: CMAX

Packaging & Delivery

Packaging Details:box,carton,pallet
Delivery Detail:30days or advance

Specifications

Thread forming screws

Material:Steel or stainless steel
According to drawing

 

 

 

 

 

 

 

1,Products Detailes
Productsbolt,screw,nut,washer,pin,rivet and non-standard fastener
SizeStandard and Non-standard according to drawing or samples
Machinesauto pressing machines, automatic heading machine, cold header high-precision surface grinder machine, involantary grinder machines,Digital Micro Vickers Hardness tester, Electrolytic metrical thickness gauge, Vision Measuring Machine,Fischer Scope X-ray Thickness Gauge and so on
Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2,Steel:C45(K1045), C46(K1046),C20
3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
C27200CuZn37), C28000(CuZn40)
4.Bronze: C51000, C52100, C54400, etc
5.Iron: 1213, 12L14,1215
6.Aluminum: Al6061, Al6063 etc
7,.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
8, Alloy steel: SCM435,10B21
Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.
Heat TreatmentTempering,Hardening,Spheroidizing,Stress Relieving.
StandardISO,GB,DIN,JIS,ANSI,BSW
Manufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipping
Sample we can supply the samples for free,if the samples we have in stock
Lead time10-15 working days as usual,It will based on the detailed order quantity.
Carton size36*24*16 CM &36*24*12 CM
Pallet size110*100*90 CM
Warrantywe confirm our goods will satisfy your request of 100%
After sales servicewe will follow up goods for every customer and help solve problem after sales.

 

 

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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:Why should the screw twist clockwise?
Clockwise tightening of the screw is called orthodontic screw, counterclockwise tightening of the screw called anti-screw or left teeth screws, the general international are clockwise orthodontic screws, in a particular case will use the left teeth Screws, such as the need to fix the fan impeller, are left teeth
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:What does the screw m4x6 mean?
Diameter 4mm length 6mm (just the length of the thread)
Q:Screw hole slip wire how to do?
Can be in the original screw hole at the larger screw hole to cover the original screw hole, the most good new hole diameter is greater than the original hole diameter; 2. If the original thread hole has no space, then just change to other places to re- drilling
Q:The cross screw of the cross screw was polished and how the screws were unloaded
First with a diagonal pliers to screw out the word screwdriver of the gap, you can also use the saw blade, if it is embedded in the shell can only use the diagonal pliers. This solves the problem of the screwdriver, the next step is to twist, and use a diagonal pliers or other tools to insert the bottom of the screw cap, so that the pry can come out.
Q:How to remove the broken screw?
When the screw is broken, if a part is exposed, it can be screwed out with the appropriate pliers, or a square nut is welded to the broken screw to screw out the dowel screw.
Q:What is the difference between Chinese-made screws and US screws?
China and the United States have their own industrial standards. If the United States to get the screws to use China must use it to support the tools.
Q:Why are the screws of the screw?
The threads are divided into connecting threads and drive threads. Which in addition to connecting the thread to remove the common thread but also non-threaded sealed pipe thread, threaded thread with the thread and metric taper thread.
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.

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