Cross Recessed Pan Head Screw with Black Finish Competitive Price

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Shanghai
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TT OR LC
Min Order Qty:
25 kg
Supply Capability:
25000 kg/month

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Product Description:

1.Cross Recessed Pan Head Self Tapping Screws with High Quality:

Self Tapping Screws Customization is welcome . We could produce various Self Tapping Screws

according to buyers’drawing or samples/Non-standard screws.The price, picture

and product attributes are for reference only. Specific matter can be confirmed

by a further communication. Welcome your consultation.

 

2.Main Features of Self Tapping Screws

1.size:standard and customised 
2.material: Carbon Steel(1022,1018), SUS(302,304,316,410)
3.finishing: Plain, Zinc Plated, Black/Grey Phosphated, Nickel, Brass etc. 
4. GB, DIN, ANSI, JIS, BSW

 

 3. Self Tapping Screws Images


Cross Recessed Pan Head Screw with Black Finish Competitive PriceCross Recessed Pan Head Screw with Black Finish Competitive Price

Cross Recessed Pan Head Screw with Black Finish Competitive PriceCross Recessed Pan Head Screw with Black Finish Competitive Price

4. Self Tapping Screws Specification

   Stainless Steel Screws self tapping

Material

Carbon Steel(1022,1018), SUS(302,304,316,410)

Diameter

M3.5 - M6.3 (#6-#14)

Length

6.5 -150mm (1/4''-6'')

Thread Code

AB Type, A Type

Head Code

Hex Head, Pan Head, Flat Head, Wafer Head, Truss Head, Pan Frame Head

Drive Code

Phillips, Pozi, Slotted

Grade

4.8, 6.8, 8.8

Finish

Plain, Zinc Plated, Black/Grey Phosphated, Nickel, Brass etc.

Standard

GB, DIN, ANSI, JIS, BSW

OEM

Acceptable

5.FAQ

We have organized several common questions for our clientsmay help you sincerely 

①    How about your company

One of the most biggest manufacturer & supplier of Screwsis a large-scale professional Self Tapping Screws factory in China. Annually more than 10000 tons Nut are exported to markets all over the world. Different kinds of Sceows are available according to customer’s requirements. 

What is advantage of our products?

All items are of Top Quality with best price. Direct wholesale price from Factory and 100%quality guaranteed .Large Selection with all sizes .

How long can we receive the product after purchase?

In the purchase of Self Tapping Screws within three working days, We will arrange the factory delivery as soon as possible. The pacific time of receiving is related to the state and position of customers. Commonly 15 to 20 working days can be served.

 

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- Inquire about price/MOQ

Q:How is the screw produced
Annealing: the wire heated to the appropriate temperature, to maintain a certain time, and then slowly cooling to adjust the crystal structure, reduce hardness, improve the room temperature processing. Pickling: Remove the oxide film on the surface of the wire and form a layer of phosphate film on the metal surface to reduce the wire drawing and cold pier or forming process. To the required diameter. Practical for some products can be divided into coarse pumping (shelling) and fine pumping two stages. Molding: The wire is forged by cold forging (or hot forging) to achieve the shape and length (or thickness) of the finished product. The finished semi - finished product is rolled or tapped to achieve the desired thread. Practical for the bolt (screw) known as the rolling teeth, teeth known as the rolling teeth, nuts called tapping. Heat treatment: according to the object and the purpose of different different heat treatment can be used. Quenched and tempered steel: quenched high temperature tempering (500-650 ℃) spring steel: quenched after tempering temperature (420-520 ℃) ​​carburizing steel: carburizing after quenching and then low temperature tempering (150-250 ℃) low carbon and In the carbon (alloy) steel quenched into martensite, with the tempered temperature rise, the general rule is the strength decreased, while the plasticity, toughness rise. Surface treatment: surface treatment that is through a certain method in the workpiece surface coating process, the purpose is to give the product surface appearance, anti-corrosion effect.
Q:What is the meaning of the screw and the 4 and 8?
Strength grade 4.8, nominal tensile strength of 400MPA products, yield strength 320 (nominal 80%). For details, please refer to GB3098.1 or ISO898-1. There are all indicators
Q:Screw production process is how the kind of
According to the screw nut and thread size custom the corresponding mold, mold is done into the material, then the head - rubbing - surface treatment - the packaging is complete.
Q:This screw ye use, and how to use next to the cover
This is also the expansion screw. First make a hole, put the plastic into, and then on the top of the screw
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: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 tools are used to remove the screws, the two lines are grooves, the middle of a paragraph is convex
As for the professional name is not clear, probably should be called forked screwdriver it
Q:What is the size of the screw for the wall power switch installation
Concealed switch generally M5 × 30 semi-round head screws, you can also use M4 × 30 tapping screws. Ming installed switch is used M5 expansion with M5's self-tapping screws.
Q:Why the screw thread more closely, spin into the more effort?
Screw thread more dense, indicating the screw thread deep and shallow, the screw in the advance the resistance of the smaller, when the spin naturally more effort.
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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