Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | T/T, Western Union |
| Supply Ability | Batch order abailable |
| Delivery Time | 1-5 weekds |
| Usage | Fastening |
| Size | Various sizes available |
| Style | Flat & CSK Head Machine Metal Screw |
| Head Style | Flat & CSK Head Machine Metal Screw |
| Strength | High |
| Finish | Black |
| Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Self Tapping Screws |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Stainless steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276 |
| Brand Name | JIA SHAN |
| Model Number | DIN, ASEM, ISO |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | Batch order abailable |
| Delivery Time | 1-5 weekds | Usage | Fastening |
| Size | Various sizes available | Style | Flat & CSK Head Machine Metal Screw |
| Head Style | Flat & CSK Head Machine Metal Screw | Strength | High |
| Finish | Black | Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation | Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN | Package Quantity | 100 pieces |
| Shape | Self Tapping Screws | Measurement System | INCH, Metric |
| Port | Shenzhen | Quality | Inspection before shipment |
| Color | As customisation | Material | Stainless steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276 |
| Brand Name | JIA SHAN | Model Number | DIN, ASEM, ISO |
| Certification | ISO | Place of Origin | China |
| High Light | M3 M4 stainless steel machine screw ，slotted flat head screw SS304 ，A2 A4-80 metal bolt | ||
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Size | Various sizes available |
| Style | Flat & CSK Head Machine Screw |
| Head Style | Flat & CSK Head Machine Screw |
| Strength | High |
| Finish | Black |
| Manufacturer | JIA SHAN Hardward Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Self Tapping Screws |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Stainless steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276 |
A machine screw is a fastener that is used like any other fastener to join two or more objects. However, machine screws are unique because of their size. The American Society of Mechanical Engineers (ASME) defines machine screws as having a diameter of no more than 0.75 inches. They can be less than 0.75 inches in diameter, but no larger. As a result, machine screws are generally smaller than most other types of screws.
In addition to being 0.75 inches or less in diameter, machine screws also feature a uniform thread. What exactly does this mean? Well, screws typically have uniform or tapered threads. Uniform threads mean that the external threads (the spiral ridges on the outside of the screw) remain the same size from the top to the bottom of the screw. In contrast, tapered threads mean that the threads of the screw expand in taper or towards the bottom. Machine screws have a uniform thread that remains the same size from top to bottom.
The primary distinction between M3 and M4 screws lies in their diameter and load-bearing capacity:
M3 screws: With a nominal diameter of 3mm and a pitch of 0.5mm, they are suitable for applications involving lighter loads.
M4 screw: Nominal diameter of 4mm, pitch of 0.7mm, offering greater load-bearing capacity. Suitable for applications requiring higher loads, such as automotive and mechanical engineering.
Under identical material conditions, the tensile strength and shear strength of M4 screws are significantly higher than those of M3 screws. Consequently, they are more commonly employed in applications demanding greater clamping force.
Machine screws are often preferred over other, larger screws. Due to their small size, they offer a wider range of applications. Machine screws can be used to attach countless types of products, objects, and surfaces.
Machine screws are also available in different materials. Stainless steel is a common material used to manufacture machine screws. It is strong and durable and provides a high level of protection against rust and corrosion. Aluminium is another common material used to manufacture machine screws. Like stainless steel, it offers protection against rust and corrosion. Aluminium machine screws are not as strong as stainless steel screws, but they are also not as heavy. For applications where weight is a concern, aluminium machine screws may be preferred!
Stainless steel is a high-quality alloy steel, with corrosion resistance, high temperature resistance, beautiful and generous, low density, high strength advantages, so in all walks of life in a wide range of applications. Stainless steel maintenance and maintenance is to ensure its long-term normal use of an important part of the following stainless steel maintenance of the specific methods as well as processes.
| No. | C% | Cr% | Ni% | Mo% |
|---|---|---|---|---|
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
| 304L | 0.03 | 18-20 | 8-12 | / |
| 316L | 0.03 | 16-18 | 10-14 | 2-3 |
| 321 | 0.08 | 17-19 | 9-12 | / |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
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