Zinc Plated Carbon Steel Allen Screw
Zinc plated carbon steel Allen screw is a versatile high-strength fastening solution designed for mechanical assemblies requiring reliable torque transmission, corrosion resistance, and secure fastening performance. The zinc plated carbon steel Allen screw is widely used in machinery manufacturing, automotive components, industrial equipment, electronics, furniture, and construction applications where precision fastening and cost-effective performance are essential.
Manufactured from high-quality carbon steel with a protective zinc-plated finish, the zinc plated carbon steel Allen screw offers excellent mechanical strength while providing enhanced corrosion resistance for indoor and moderately corrosive environments. Its internal hex (Allen) drive enables higher tightening torque and minimizes the risk of drive slippage during installation.
Product Overview
The zinc plated carbon steel Allen screw is engineered for applications requiring compact head design, high clamping force, and repeatable assembly performance. The internal hex drive allows installation in confined spaces while delivering superior torque transfer compared to traditional slotted or Phillips screws.
This zinc plated carbon steel Allen screw is suitable for both manual and automated assembly lines. The zinc coating helps protect the screw from oxidation, extending its service life in industrial environments.
As a commonly used industrial fastener, it is an ideal choice for OEM manufacturers, equipment builders, and maintenance professionals.
Product Specifications
| Item | Description |
|---|---|
| Product Name | Zinc Plated Carbon Steel Allen Screw |
| Material | Carbon Steel |
| Surface Finish | Zinc Plated (Blue White Zinc / Yellow Zinc / Black Zinc Optional) |
| Head Type | Socket Head / Button Head / Countersunk Head (Optional) |
| Drive Type | Internal Hex (Allen) |
| Thread Type | Metric Machine Thread |
| Diameter Range | M2–M30 |
| Length Range | 4mm–200mm |
| Strength Grade | 4.8 / 8.8 / 10.9 / 12.9 |
| Corrosion Resistance | Moderate to High (depending on zinc coating thickness) |
| Thread Direction | Right Hand |
| Packaging | Bulk Carton / Small Box / OEM Packaging |
| Customization | Size, head type, coating, strength grade, marking |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Grade 4.8: ≥400 MPa / Grade 8.8: ≥800 MPa / Grade 10.9: ≥1,040 MPa / Grade 12.9: ≥1,220 MPa |
| Yield Strength | Grade 4.8: ≥320 MPa / Grade 8.8: ≥640 MPa / Grade 10.9: ≥940 MPa / Grade 12.9: ≥1,100 MPa |
| Hardness | HRC 20–39 (depending on grade) |
| Density | 7.85 g/cm³ |
| Corrosion Resistance | Moderate (improved with zinc plating) |
| Operating Temperature | -40°C to 250°C |
| Thread Tolerance | 6g Standard |
| Manufacturing Standard | DIN / ISO / ASME or Customer Specifications |
Materials and Manufacturing Process
The zinc plated carbon steel Allen screw is manufactured using precision production technologies to ensure excellent dimensional accuracy and mechanical reliability.
- Premium carbon steel wire rod selection
- Cold heading for precise head formation
- Internal hex socket forming
- Precision thread rolling for improved fatigue resistance
- Heat treatment to achieve specified strength grades
- Electro-galvanized zinc plating for enhanced corrosion protection
- Passivation treatment to improve coating durability
- Ultrasonic cleaning to remove contaminants
- Comprehensive dimensional, hardness, and thread inspection
- Export-grade packaging for safe transportation
Every zinc plated carbon steel Allen screw is produced under strict manufacturing controls to ensure consistent quality.
Applications of the Product
Zinc plated carbon steel Allen screws are widely used in:
- Industrial machinery
- Automotive manufacturing
- Automation equipment
- Electrical cabinets
- Construction equipment
- Agricultural machinery
- Furniture manufacturing
- Electronics and communication equipment
- OEM manufacturing systems
Their compact design and reliable fastening performance make them suitable for both precision assemblies and heavy-duty industrial equipment.
Why Choose This Product
- High-strength carbon steel construction
- Internal hex drive provides excellent torque transmission
- Zinc plating improves corrosion resistance
- Suitable for automated assembly systems
- Available in multiple strength grades
- Wide range of head styles and dimensions
- Cost-effective alternative to stainless steel
- Long service life in industrial environments
- OEM and ODM customization available
The zinc plated carbon steel Allen screw delivers dependable fastening performance for a wide range of industrial applications.
Why Choose Flybear
Flybear is a trusted manufacturer of industrial fasteners with extensive experience serving global OEM customers.
We provide:
- Advanced cold forging and precision machining equipment
- Professional heat treatment and electroplating production lines
- Large production capacity with stable inventory
- Complete OEM and ODM customization services
- Engineering support for special fastening applications
- Strict ISO quality management system
- Global logistics and export expertise
- Responsive technical consultation and after-sales support
Flybear is committed to providing high-quality fastening products that meet international engineering standards.
Quality Inspection and Control
Every production batch undergoes comprehensive inspection, including:
- Chemical composition analysis
- Tensile strength testing
- Yield strength verification
- Hardness testing
- Zinc coating thickness measurement
- Salt spray corrosion testing
- Thread gauge inspection
- Dimensional inspection
- Internal hex socket inspection
- Packaging verification
All manufacturing processes comply with ISO quality management standards.
Selection Guide
When selecting a zinc plated carbon steel Allen screw, consider:
- Required strength grade (4.8, 8.8, 10.9, or 12.9)
- Screw diameter and length
- Installation torque requirements
- Indoor or outdoor operating environment
- Required corrosion resistance level
- Head style and installation space
- Assembly method (manual or automated)
Choosing the correct specification improves fastening reliability and extends equipment service life.
FAQ
1. What is an Allen screw?
An Allen screw uses an internal hex socket drive, allowing higher tightening torque and secure installation.
2. Why choose zinc-plated carbon steel?
Zinc plating provides effective corrosion protection while maintaining the strength and affordability of carbon steel.
3. What strength grades are available?
Common grades include 4.8, 8.8, 10.9, and 12.9 depending on application requirements.
4. Can these screws be used outdoors?
They are suitable for general outdoor applications, but for highly corrosive environments, stainless steel or Dacromet-coated fasteners are recommended.
5. Can Flybear manufacture custom Allen screws?
Yes. We provide OEM and ODM services, including customized sizes, head types, coatings, strength grades, 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.
For quotations, OEM customization, or technical assistance, please Contact Us.
