Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 10000 |
| Delivery Time | 5-15days |
| Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces |
| Color | Customized/Silver/Plain |
| Material | Stainless Steel |
| Thread Pitch | Customized |
| Corrosionresistance | High/Customized |
| Headtype | Hexagonal/Hex |
| Port | Shenzhen, Guangzhou |
| Common Uses | Construction, automotive, machinery |
| Finish | plain/ polish |
| Thread Type | Mechined Thread |
| Rust Proof | Yes |
| Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN |
| Model Number | Customized |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 10000 |
| Delivery Time | 5-15days | Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces | Color | Customized/Silver/Plain |
| Material | Stainless Steel | Thread Pitch | Customized |
| Corrosionresistance | High/Customized | Headtype | Hexagonal/Hex |
| Port | Shenzhen, Guangzhou | Common Uses | Construction, automotive, machinery |
| Finish | plain/ polish | Thread Type | Mechined Thread |
| Rust Proof | Yes | Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN | Model Number | Customized |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | Stainless steel hex bolt DIN 931 ，Partially threaded bolt A4-70 ，SUS304 plain polish hex bolt | ||
Stainless steel Partially Threaded Hex Bolt SUS304 Plain polish surface DIN 931 A4-70
1,Description:
The main features of the semi-threaded structure include: - . Structural design : the thread only partially extends along the axial direction, usually with threads at one or both ends, and the middle is a smooth rod (without threads). For example, in scaffolding connectors, the thread length is approximately 110mm, and the standard length is 6 meters. In water-stop lead screws, a three-section structure is commonly seen, with only the connection ends processed with threads. - mechanical properties : Manufactured by hot-rolling process, the solid structure ensures high strength, such as yield strength greater than 900N/mm² and tensile strength exceeding 1100N/mm². The mechanical performance grade can reach 8.8, making it suitable for heavy-duty scenarios. - application advantages : The thread density is relatively low (fewer turns), with low resistance and high speed when screwing in. It is suitable for thin-walled or easily cracked materials and has high installation efficiency. In scaffolding, reducing the contact area of threads can lower the risk of stress concentration and enhance connection reliability. - specification diversity : Diverse diameter specifications (such as 20-23mm and 15-17mm), significant weight differences (2.56kg/m and 1.44kg/m), adapting to different load-bearing requirements; The semi-threaded version of the water-stop lead screw can be recycled, reducing long-term costs. - Compared with other forms : Compared with full threads, half threads have a shorter thread length and may have a more complex processing technology (such as double-head thread rolling), but they are easier to install and are suitable for scenarios that require quick fixation, such as thin iron sheets or high-vibration environments.
2,Applications:
Machinery Manufacturing: Equipment assembly, base mounting
Construction Engineering: Steel structure connections, bridge construction
Automotive Industry: Engine and chassis assembly
Electronics and Electrical: Enclosures, equipment housings
Furniture Manufacturing: Metal frame structures
Pipe Installation: Flange connections
Advantages of Use
✓ Efficient assembly and disassembly - Hexagonal head design facilitates wrench/socket tool operation with high torque transmission efficiency
✓ High load-bearing capacity - Withstands greater loads compared to other fasteners
✓ High standardisation - Complies with international standards (ISO, DIN, GB, etc.), ensuring excellent interchangeability
✓ Wide applicability - Compatible with nuts and washers of varying materials and specifications
✓ Reusable - Performance remains unaffected by normal assembly/disassembly (note fatigue damage)
Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.
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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