DIN965 Carbon Steel Grade 4.8 Phillips Countersunk Screw
DIN965 carbon steel grade 4.8 Phillips countersunk screw is a standard precision fastener designed for flush surface assembly in industrial and mechanical applications. The DIN965 carbon steel grade 4.8 Phillips countersunk screw features a flat head with a 90° countersunk angle and a cross recessed drive, making it ideal for installations requiring a smooth, non-protruding finish.
The DIN965 carbon steel grade 4.8 Phillips countersunk screw is widely used in sheet metal assemblies, electrical enclosures, machinery covers, and general engineering structures. Its carbon steel construction ensures stable mechanical performance, while the grade 4.8 strength classification provides reliable fastening for light to medium-duty applications.
Product Overview
The DIN965 carbon steel grade 4.8 Phillips countersunk screw is engineered for applications requiring a flush surface finish and stable fastening strength. Its countersunk head design allows the screw to sit level with the material surface, improving both safety and aesthetics.
This DIN965 carbon steel grade 4.8 Phillips countersunk screw is commonly used in industrial assemblies where space optimization and smooth surfaces are essential. The Phillips drive ensures easy installation and compatibility with automated and manual assembly tools.
As a widely used industrial fastener, it is suitable for OEM production lines, equipment manufacturing, and general engineering projects requiring cost-effective and reliable fastening solutions.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN965 |
| Product Name | DIN965 Carbon Steel Grade 4.8 Phillips Countersunk Screw |
| Material | Carbon Steel |
| Strength Grade | 4.8 |
| Thread Type | Metric Machine Thread |
| Head Type | Countersunk (Flat Head 90°) |
| Drive Type | Phillips Cross Recessed |
| Diameter Range | M2–M12 |
| Length Range | 4mm–80mm |
| Surface Finish | Zinc Plated / Black Oxide / Plain |
| Thread Direction | Right Hand |
| Packaging | Carton / Bulk / OEM Packaging |
| Customization | Size, coating, head type available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 400 MPa |
| Yield Strength | ≥ 320 MPa |
| Hardness | HV 120–180 |
| Density | 7.85 g/cm³ |
| Corrosion Resistance | Moderate (depends on coating) |
| Operating Temperature | -40°C to 150°C |
| Thread Tolerance | 6g Standard |
| Manufacturing Standard | DIN965 / ISO Equivalent |
Materials and Manufacturing Process
The DIN965 carbon steel grade 4.8 Phillips countersunk screw is manufactured through a precise and controlled process to ensure dimensional accuracy and stable performance.
- Raw material selection: High-quality carbon steel wire rod
- Cold heading: Formation of countersunk head shape
- Thread rolling: Precision external thread forming for strength
- Heat treatment: Controlled process to achieve grade 4.8 mechanical properties
- Surface finishing: Zinc plating, black oxide, or custom coating
- Cleaning: Removal of residues and surface preparation
- Inspection: Dimensional, torque, and strength testing
- Packaging: Protective export packaging for industrial supply
Each DIN965 carbon steel grade 4.8 Phillips countersunk screw is inspected to ensure consistent quality and reliable installation performance.
Applications of the Product
The DIN965 carbon steel grade 4.8 Phillips countersunk screw is widely used across multiple industries:
- Machinery: Equipment covers and protective panels
- Construction: Interior fixtures and structural fittings
- Automotive: Interior trim and non-load-bearing assemblies
- Electrical systems: Control cabinets and enclosures
- Industrial equipment: Assembly housings and brackets
- Manufacturing systems: OEM product assembly lines
- Consumer equipment: General hardware fastening applications
Its flush installation design makes it ideal for applications where surface smoothness is required for safety or aesthetics.
Why Choose This Product
- Standard DIN965 design for global compatibility
- Flush countersunk head for smooth surface finish
- Stable grade 4.8 mechanical performance
- Cost-effective carbon steel material
- Compatible with automated assembly systems
- Reliable Phillips drive for easy installation
- Suitable for OEM mass production
- Available in multiple surface coatings
- Consistent dimensional accuracy
The DIN965 carbon steel grade 4.8 Phillips countersunk screw provides a balanced solution between cost efficiency and reliable fastening performance.
Why Choose Flybear
Flybear is a professional manufacturer specializing in precision industrial fasteners with strong production and export capabilities.
- Advanced cold heading and threading equipment
- Stable large-scale production capacity
- OEM/ODM customization services
- Engineering technical support for projects
- Global supply chain experience
- Strict quality control system
Flybear supports distributors, manufacturers, and industrial buyers with consistent and reliable fastener supply solutions.
Quality Inspection and Control
Quality assurance is implemented throughout the production process:
- Chemical composition analysis
- Tensile strength testing
- Hardness testing
- Thread gauge inspection
- Dimensional measurement
- Surface finish inspection
- Torque performance testing
- Packaging quality control
All production follows ISO quality management standards to ensure reliability and consistency.
Selection Guide
When selecting a DIN965 carbon steel grade 4.8 Phillips countersunk screw, consider:
- Material compatibility with environment
- Required screw diameter and length
- Load-bearing requirements
- Surface finish requirements
- Corrosion exposure level
- Installation torque requirements
Proper selection ensures stable fastening performance and long service life.
FAQ
1. What is DIN965?
DIN965 is a standard for countersunk head machine screws with metric threading.
2. What does grade 4.8 mean?
It indicates the mechanical strength level suitable for light to medium-duty applications.
3. What is a Phillips countersunk screw used for?
It is used where a flush surface finish and easy installation are required.
4. Is carbon steel suitable for outdoor use?
With coatings like zinc plating, corrosion resistance can be improved for outdoor applications.
5. Can custom sizes be produced?
Yes, Flybear supports customized dimensions, coatings, and packaging.
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.
