PVDF Hexagon Nut
PVDF hexagon nut is a high-performance engineering plastic fastener designed for applications requiring excellent chemical resistance, electrical insulation, corrosion protection, and lightweight fastening performance. The PVDF hexagon nut is manufactured from polyvinylidene fluoride, a fluoropolymer material known for strong resistance to acids, alkalis, solvents, UV exposure, and harsh industrial environments.
The PVDF hexagon nut is widely used in chemical processing, semiconductor equipment, water treatment systems, marine equipment, food machinery, pharmaceutical systems, laboratory instruments, and OEM manufacturing where metal nuts may corrode or contaminate the assembly.

Product Overview
The PVDF hexagon nut provides secure fastening while offering excellent non-metallic performance. Its external hex shape allows easy tightening with standard tools. In addition, the material provides insulation and prevents galvanic corrosion when used with plastic screws, PVDF bolts, or compatible non-metallic fasteners.
Compared with PA66 or PP nuts, the PVDF hexagon nut offers better chemical resistance and weatherability. Therefore, it is ideal for aggressive chemical environments and high-purity systems.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN934 / ISO / Custom |
| Product Name | PVDF Hexagon Nut |
| Material | PVDF |
| Thread Type | Metric Internal Thread / Custom |
| Head Type | Hexagon Nut |
| Drive Type | External Hex |
| Diameter Range | M2–M24 |
| Length Range | Standard height / Custom |
| Surface Finish | Natural White / Custom |
| Strength Grade | Engineering Plastic Fastener |
| Thread Direction | Right Hand |
| Packaging | Bag, carton, tray, OEM packaging |
| Customization | Size, thread, color, height, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Approx. 35–55 MPa |
| Yield Strength | Material grade dependent |
| Hardness | Shore D 75–80 typical |
| Density | Approx. 1.78 g/cm³ |
| Corrosion Resistance | Excellent |
| Operating Temperature | Approx. -40°C to 150°C |
| Electrical Insulation | Excellent |
| Manufacturing Standard | DIN / ISO / OEM drawing |
Materials and Manufacturing Process
The PVDF hexagon nut is produced from premium PVDF resin. The material is dried before molding to improve dimensional stability and reduce processing defects.
Production includes raw material selection, injection molding, CNC machining when required, internal thread forming, controlled cooling, surface finishing, cleaning, inspection, and packaging. For custom sizes, machining can improve thread accuracy and hex dimensions.
Each PVDF hexagon nut is inspected for thread quality, hex width, height, surface finish, and dimensional consistency before shipment.
Applications of the Product
PVDF hexagon nuts are widely used in chemical equipment, semiconductor systems, water treatment plants, construction, machinery, automotive electronics, renewable energy systems, petrochemical equipment, marine systems, food equipment, industrial equipment, and manufacturing systems.
They are suitable for pumps, valves, filter systems, laboratory fixtures, cleanroom assemblies, plastic piping systems, and corrosion-sensitive fastening points.
Why Choose This Product
This product offers premium PVDF material, excellent chemical resistance, strong corrosion protection, electrical insulation, stable mechanical performance, long service life, bulk supply capability, OEM/ODM support, fast delivery, and export experience.
The PVDF hexagon nut is ideal for buyers needing reliable non-metallic fastening in harsh chemical or high-purity environments.
Why Choose Flybear
Flybear provides professional industrial fasteners and engineering plastic fastening solutions.
Flybear offers manufacturing capability, inventory strength, custom production, engineering support, global supply ability, and technical consultation. We support OEM manufacturers, distributors, EPC contractors, and purchasing managers with reliable products based on drawings, samples, or application requirements.
Quality Inspection and Control
Quality control includes material verification, tensile testing, hardness testing, chemical resistance checks, thread gauge inspection, dimensional inspection, surface inspection, insulation testing, and packaging inspection.
Production follows ISO quality system compliance to ensure stable batch quality and reliable industrial performance.
Selection Guide
When selecting PVDF hexagon nuts, consider material compatibility, thread size, nut height, load requirements, operating temperature, chemical exposure, indoor or outdoor use, and matching bolt material.
For strong acids, solvents, or high-temperature chemical systems, confirm concentration and working temperature before mass production.
FAQ
What is PVDF material?
PVDF is a fluoropolymer engineering plastic with excellent chemical resistance and weatherability.
Why use PVDF nuts instead of metal nuts?
PVDF nuts resist corrosion, provide insulation, and prevent metal contamination.
Are PVDF hexagon nuts suitable for chemical equipment?
Yes. They are widely used in chemical processing, water treatment, and semiconductor systems.
Can custom sizes be produced?
Yes. Custom thread, height, color, size, and packaging are available.
How to request quotation?
Send size, material, quantity, drawings, and application details.
The PVDF hexagon nut provides chemical resistance, insulation, and reliable fastening for demanding industrial applications. For quotation, customization, and technical support, please Contact Us.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.




