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 | steel hex head with washer nut |
| Head Style | Hexagon head |
| Strength | High |
| Finish | Polished/Zinc/ Anodizing |
| Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Bolt |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Steel:304/316/301/310/201 |
| 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 | steel hex head with washer nut |
| Head Style | Hexagon head | Strength | High |
| Finish | Polished/Zinc/ Anodizing | Manufacturer | JIA SHAN Hardware Company |
| Length | As customisation | Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN | Package Quantity | 100 pieces |
| Shape | Bolt | Measurement System | INCH, Metric |
| Port | Shenzhen | Quality | Inspection before shipment |
| Color | As customisation | Material | Steel:304/316/301/310/201 |
| Brand Name | JIA SHAN | Model Number | DIN, ASEM, ISO |
| Certification | ISO | Place of Origin | China |
| High Light | Stainless Steel 253MA Hex Bolts ，High Temperature Hex Bolts ，Satin Finish Hex Bolts | ||
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Size | Various sizes available |
| Style | Steel hex head with washer nut |
| Head Style | Hexagon head |
| Strength | High |
| Finish | Polished/Zinc/Anodizing |
| Manufacturer | JIA SHAN Hardware Company |
| Length | Customizable |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Bolt |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | Customizable |
| Material | Steel: 304/316/301/310/201 |
Hex bolts are widely used across various industries due to their simple design, high strength, and ease of installation.
Standard hexagon head bolts are reusable, whereas high-strength bolts are not.
High-strength bolts are typically manufactured from high-strength steel grades such as 45 steel (8.8S) or 20MmTiB (10.9S). They function as prestressed bolts: friction-type bolts require a torque wrench to apply specified prestress, while tension-type bolts have their hex heads removed. Ordinary bolts are usually manufactured from mild steel (Q235) and require only tightening.
Ordinary bolts are typically graded 4.4, 4.8, 5.6, and 8.8. High-strength bolts are generally graded 8.8 or 10.9, with 10.9 being the predominant grade.
The threaded hole for an ordinary bolt is not necessarily larger than that for a high-strength bolt. In practice, standard bolt holes are relatively smaller.
For standard bolts of grades A and B, the hole diameter is typically only 0.3–0.5mm larger than the bolt. For grade C, the hole diameter is generally 1.0–1.5mm larger than the bolt.
Friction-type high-strength bolts rely on friction to transmit loads, allowing a difference of 1.5–2.0mm between the bolt shank and hole diameter.
253MA is a heat resistant austenitic stainless steel designed for applications requiring high creep strength and good corrosion resistance. Its service temperature range is 850 to 1100°C.
Key features include:
| Grade | 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 | / |
310S stainless steel is austenitic chromium-nickel stainless steel, has a very good resistance to oxidation, corrosion, high temperature, because of the higher percentage of chromium and nickel, so that has a much better creep strength, can continue to work at high temperatures, has good high temperature resistance. Because of nickel (Ni), chromium (Cr) content is high, has a good resistance to oxidation, corrosion, acid and alkali resistance, high temperature resistance, high temperature resistant steel pipe is specially used in the manufacture of electric furnace pipe and other occasions, austenitic type stainless steel after increasing the content of carbon, due to its solid solution strengthening effect so that the strength has been increased, the austenitic type stainless steel chemical composition properties are based on chromium, nickel, added molybdenum, tungsten, niobium and titanium and other elements, due to the organisation of the Face-centred cubic structure, thus high strength and creep strength at high temperatures. Melting point 1470 ℃, 800 ℃ began to soften, the permissible stress continues to decrease.
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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