Cross Recessed Pan Head Screw with Black Finish Competitive Price
- Ref Price:
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 kg
- Supply Capability:
- 25000 kg/month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
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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
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 clients,may help you sincerely:
① How about your company?
One of the most biggest manufacturer & supplier of Screws,is 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.
②What 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 .
③How 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.
- Q:I would like to know the specifications of the two types of screws models, including length, diameter, diameter and pitch, etc.
- The specific need to check their own standard parts manual to judge
- Q:This screw ye use, and how to use next to the cover
- This is an expansion screw. Take a suitable electric drill bit to drill a hole in the wall, and then put the sleeve into the eyes of the drill, put the screw into the sleeve, this than the ordinary screw firm.
- Q:Screw hole slip wire how to do?
- In the screwdriver head pad things such as double-sided adhesive, non-woven fabrics, etc. If there is no condition, then the paper can also
- Q:There are some screws, is installed in the electrical, power, electronic products on the material, ask how to correctly install the screws?
- After we understand the characteristics of the screw, we can proceed to the next step. For example, we use the hands of a 8.8-wide hexagonal screws, then we have mastered the 8.8 hexagonal screws, the use of screws can be used to wipe some of the oil, so that we can protect the screws, in the invisible Which extended the life of the screw. And we have to use the 8.8-grade hexagon screw in the process, we will be able to know that we need to properly protect the screw head inside the hexagon, to prevent 8.8 grade hexagon screw skid, because we know 8.8 grade hexagon screw More difficult to take out. Then we can think of this screw should be used in what place? We can not put a small number of digital screws on the large industrial above, so that the screws can not withstand the pressure of large industrial above, so we need is to help the screw to choose a suitable place, so the screw on the matter The value of the.
- Q:Was rusty rust, the screwdriver are turning how to do, is a very important thing
- Drop a few drops of oil or gently knock around a few times, to the rusty screw drops (to bubble better) gasoline or kerosene, washing the use of oxalic acid also
- Q:Why should the screw twist clockwise?
- Because the screw on the original flute is the clockwise direction of it
- 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: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:The idiom of the screw
- Lei Feng: I would like to always make a screw, a person's role, for the cause of the revolution, as a machine on a screw machine as a result of the many screws and fixed, only to become a solid whole, can Run freely, play its great ability to work. Although the screw is small, its role is not underestimated. I would like to make a screw hello forever. Screw to regular maintenance and cleaning, it will not rust. People's thinking is the case, to always check will not go wrong
- Q:What is the meaning of the 8.8 on the screw
- 4.8 and 8.8 refer to the performance level of the bolt. Other bolt headers are 10.9 and 12.9. The higher the level, the better the performance of both bolts. 4.8 is defined as: 4 represents 4 * 100 = 400MPa, refers to the tensile strength of bolts 400MPa, .8 for the yield ratio of 0.8, the nominal yield strength of 400 × 0.8 = 320MPa 8.8 grade bolts performance: tensile strength = 800MPa, yield strength = 800 * 0.8 = 640MPa
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