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 | Thumb Metal Screw |
| Port | Shenzhen, Guangzhou |
| Common Uses | Construction, automotive, machinery |
| Finish | Nickel Plated |
| Thread Type | Mechined Thread |
| Rust Proof | Yes |
| Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN |
| Model Number | Customized |
| Certification | ISO 9001 |
| Place of Origin | China |
View Detail Information
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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 | Thumb Metal Screw |
| Port | Shenzhen, Guangzhou | Common Uses | Construction, automotive, machinery |
| Finish | Nickel Plated | 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 | M5 thumb screw electronics ，nickel plated circuit board screw ，303 stainless steel metal bolt | ||
303 SS M5 Thumb Metal Screw Electronics Manufacturing Nickel Plated Circuit Board
1,Description:
2,Applications:
Principles of Hot-Dip Galvanizing
Fundamental Process
Hot-dip galvanizing involves immersing clean steel components into a bath of molten zinc at temperatures typically ranging from 435°C to 465°C. This creates a metallurgical bond between zinc and steel through a series of iron-zinc alloy layers, resulting in a durable protective coating that is integral to the substrate rather than merely surface-adhered.
Metallurgical Bond Formation
Upon immersion, molten zinc reacts with the iron in steel to form distinct alloy layers. The intermetallic compounds—gamma, delta, and zeta layers—grow at the interface through diffusion, creating a gradient from nearly pure steel at the base to nearly pure zinc at the surface. This metallurgical bonding ensures superior adhesion compared to electroplated coatings.
Surface Preparation Requirements
Effective galvanizing demands thorough surface preparation. Steel must be degreased to remove oils, pickled in acid to eliminate mill scale and rust, and fluxed to prevent oxidation before zinc immersion. Proper pretreatment ensures complete wetting by molten zinc and uniform coating formation.
3,Technical Advantages
Characteristics and Advantages of Nickel Plating
Superior Corrosion and Wear Resistance
Nickel plating provides excellent protection against corrosion, oxidation, and wear. It forms a hard, durable surface that withstands harsh environments, making it ideal for marine, chemical, and industrial applications where long-term durability is essential.
High Hardness and Abrasion Resistance
Electroless nickel deposits can achieve hardness values of 500-700 HV, comparable to hardened steel. Heat treatment can further increase hardness to 1000 HV, providing exceptional resistance to scratching, galling, and abrasive wear.
Uniform Coating Distribution
Electroless nickel plating offers outstanding throwing power, depositing uniform thickness even on complex geometries, internal surfaces, and threaded parts. Unlike electrolytic processes, it does not suffer from edge buildup or thin coverage in recesses.
Excellent Dimensional Control
The precise, uniform deposition allows for tight dimensional tolerances, often eliminating the need for post-plate machining. This makes nickel plating valuable for restoring worn components to original specifications.
Superior Lubricity and Low Friction
Nickel-phosphorus alloys provide low friction coefficients and excellent anti-galling properties. This reduces friction in moving parts and prevents seizing between mating surfaces under load.
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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