Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000 |
| 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 | Carbon steel |
| Thread Pitch | Customized |
| Corrosionresistance | High/Customized |
| Headtype | shoulder bolt |
| 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 | 100000 |
| 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 | Carbon steel | Thread Pitch | Customized |
| Corrosionresistance | High/Customized | Headtype | shoulder bolt |
| 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 | 4140 alloy steel shoulder bolt ，custom size metal bolt ，durable construction steel bolt | ||
1/2-13 4140 Alloy Steel Construction Shoulder metal Bolt customized size durable steel
1,Description:
Shoulder screws are also referred to as shaft shoulder screws, stop screws, stop bolts, brake bolts, equal-height screws, among other names. The shoulder screw works together with the bolt pull rod and serves primarily as a mold component to regulate the opening stroke between the fixed mold base plate, the runner stripper plate, and the stationary mold plate in three-plate molds.
Since it can be positioned on the mold parting surface, the mold design can be made more compact. This product type exhibits elevated hardness, superior toughness, outstanding abrasion resistance, and thermal stability. It is well-suited for high-precision molds and can substantially prolong their service life. In particular, the thermal expansion of precision molds is effectively managed, rendering it appropriate for molds operating in elevated-temperature conditions. Its specification follows ISO 7379. The material for the 12.9 grade plug screw is SCM435 alloy steel, with a comprehensive hardness of HRC40°.
The shoulder screw operates in combination with the bolt pull rod and functions chiefly as a mold accessory to govern the opening distance between the fixed mold seat plate, the sprue ejector plate, and the fixed mold template in three-plate mold configurations.
Owing to its ability to be mounted on the mold parting surface, the mold architecture can be downsized. This category of product demonstrates high rigidity and ductility, coupled with excellent wear endurance and heat tolerance. It is appropriate for precision tooling and contributes to extending their operational lifespan, notably exerting a certain influence on managing the thermal distortion of precision molds. It is applicable to tooling utilized in high-temperature working settings.
2,Applications:
Screws are widely used in the industrial field. From large items like spaceships and aircraft to small ones like mobile phones and tables and chairs, they are indispensable. Therefore, they are also known as the "rice of industry".
How important is that tiny screw to an aircraft? According to the data, the Boeing 747There are approximately over 6 million parts in the series of aircraft, and among these parts, fastenersThe proportion accounts for half.There are also quite a few flight safety accidents caused by screw problemsIf experts analyze that one of the reasons for the emergency landing of Sichuan Airlines Flight 3U8633 is very likely to be that the screws of the windshield were substandard or excessive force was applied during installation, which led to cracks in the windshield. It finally falls off.
3,Technical Advantages
Alloy steel is a type of steel whose properties are improved by adding alloying elements to carbon steel. It features high strength, wear resistance, corrosion resistance and good weldability.
5. High-temperature strength: Alloy steel can still maintain high strength and hardness in high-temperature environments, making it suitable for high-temperature working conditions.
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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