A4-80 PTFE Coated Inch Hex Nut
A4-80 PTFE coated inch hex nut is a high-performance fastening component designed for applications requiring high strength, corrosion resistance, and reduced friction during assembly. The A4-80 PTFE coated inch hex nut is manufactured from A4-80 stainless steel material and finished with a PTFE (polytetrafluoroethylene) coating, providing excellent protection against corrosion, improved anti-seizing performance, and smoother installation.
The A4-80 PTFE coated inch hex nut is widely used in marine equipment, offshore structures, chemical processing systems, petrochemical facilities, food equipment, and industrial machinery where reliable stainless steel fastening performance is required.
Product Overview
The A4-80 PTFE coated inch hex nut is a high-strength hexagonal nut designed for use with compatible inch-threaded bolts, studs, and screws. A4-80 stainless steel is equivalent to a high-strength austenitic stainless steel grade with excellent corrosion resistance, making it suitable for demanding environments.
The PTFE coating creates a low-friction surface layer that reduces thread galling risk and improves assembly consistency. Compared with standard stainless steel nuts, the A4-80 PTFE coated inch hex nut offers better installation performance, especially in repeated assembly or harsh environmental conditions.
This product is commonly selected by engineers, OEM manufacturers, shipbuilding companies, and industrial distributors requiring reliable corrosion-resistant fastening solutions.
Product Specifications
| Item | Description |
|---|---|
| Product Name | A4-80 PTFE Coated Inch Hex Nut |
| Material | A4-80 Stainless Steel |
| Nut Type | Hex Nut |
| Thread Standard | Inch Thread (UNC / UNF) |
| Strength Grade | A4-80 |
| Coating | PTFE Coating |
| Coating Color | Blue / Green / Customized |
| Size Range | Inch Sizes According to Requirement |
| Thread Direction | Right Hand |
| Surface Finish | PTFE Coated |
| Application | Marine, Chemical, Industrial Fastening |
| Packaging | Bulk / Carton / OEM Packaging |
| Customization | Size, coating, packaging available |
Technical Parameters
| Parameter | Value |
|---|---|
| Material | A4-80 Stainless Steel |
| Tensile Strength | ≥800 MPa |
| Yield Strength | According to A4-80 Specification |
| Hardness | According to Material Requirement |
| Corrosion Resistance | Excellent |
| Chloride Resistance | Excellent |
| Coating Material | PTFE |
| Friction Performance | Low Friction Surface |
| Manufacturing Standard | ISO / DIN / Customized |
Materials and Manufacturing Process
The A4-80 PTFE coated inch hex nut is manufactured through precision forming, machining, heat treatment, and coating processes to ensure reliable fastening performance.
- Raw material selection: High-quality A4-80 stainless steel
- Material inspection: Chemical composition verification
- Nut forming: Cold forging or machining according to specifications
- Thread processing: Precision tapping of inch threads
- Surface preparation: Cleaning before coating application
- PTFE coating: Application of fluoropolymer protective layer
- Inspection: Thread gauge inspection, dimensional testing, coating quality verification
- Packaging: Protective industrial packaging for transportation
Each A4-80 PTFE coated inch hex nut is produced under strict quality control to ensure consistent performance.
Applications of the Product
The A4-80 PTFE coated inch hex nut is widely used in industries requiring corrosion-resistant and high-strength fastening:
- Marine industry: Ship structures and offshore equipment
- Chemical industry: Corrosive processing systems
- Petrochemical industry: Industrial equipment connections
- Food processing equipment: Hygienic stainless steel assemblies
- Renewable energy: Offshore wind and outdoor structures
- Construction industry: Stainless steel structural fastening
- Industrial machinery: Equipment assembly and maintenance
- Manufacturing systems: Precision fastening applications
Its combination of A4-80 strength and PTFE coating makes it suitable for challenging operating environments.
Why Choose This Product
- A4-80 high-strength stainless steel material
- Excellent resistance to corrosion and chloride environments
- PTFE coating reduces friction and galling risk
- Suitable for inch-thread applications
- Improved assembly performance
- Stable mechanical properties
- Long service life
- OEM customization support
The A4-80 PTFE coated inch hex nut provides a reliable fastening solution for marine, industrial, and engineering applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
- Experience with stainless steel fastening products
- Support for special grade nuts and coated fasteners
- Advanced thread processing and surface treatment capability
- OEM/ODM customization support
- Stable production capacity for bulk supply
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized fastening requirements
Flybear provides reliable fastening products for marine, chemical, machinery, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout production:
- Stainless steel chemical composition analysis
- Raw material certificate verification
- Thread gauge inspection
- Dimensional accuracy inspection
- Mechanical property testing
- PTFE coating thickness inspection
- Surface quality inspection
- Packaging quality inspection
All manufacturing processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting an A4-80 PTFE coated inch hex nut, consider:
- Compatible inch thread specification
- Required strength grade
- Operating environment
- Corrosion exposure level
- Temperature conditions
- Coating requirements
Correct selection ensures secure fastening and long-term connection reliability.
FAQ
1. What is A4-80 stainless steel hex nut used for?
It is used for high-strength fastening applications requiring excellent corrosion resistance.
2. What is the advantage of PTFE coating on nuts?
PTFE coating reduces friction, improves anti-seizing performance, and helps prevent thread galling.
3. Is A4-80 equivalent to 316 stainless steel?
A4-80 is commonly associated with high-strength 316 stainless steel properties for corrosion-resistant fastening applications.
4. Can A4-80 PTFE coated inch hex nuts be customized?
Yes, Flybear supports customized sizes, coatings, thread specifications, and packaging.
5. Where are A4-80 PTFE coated nuts commonly used?
They are widely used in marine, offshore, chemical, petrochemical, and industrial applications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
