m3 countersunk bolt
M3 Countersunk Bolt
Product Overview
The m3 countersunk bolt is an essential fastening solution designed for applications requiring a flush finish and secure fastening. Featuring a conical head, this type of bolt is engineered to sit below the surface of the material, ensuring a smooth finish that is ideal for aesthetic and functional purposes. Made from high-quality materials, our m3 countersunk bolts are perfect for both industrial and commercial use, providing reliability and durability in various applications.
Key Features
- Flush Head Design: The countersunk head allows for a seamless finish, minimizing protrusions and enhancing the aesthetic of the assembled product.
- High Strength: Manufactured from premium-grade steel, these bolts offer superior tensile strength and resistance to shear forces.
- Corrosion Resistance: Available in various finishes, including zinc-plated and stainless steel, to withstand environmental challenges.
- Precision Engineering: Accurate dimensions ensure a perfect fit within the countersunk hole, promoting secure fastening.
- Versatile Applications: Suitable for a wide range of industries including automotive, electronics, and furniture manufacturing.
Technical Specifications
| Property | Specification |
|---|---|
| Diameter | M3 (3mm) |
| Length | Available in various lengths (from 10mm to 50mm) |
| Head Style | Countersunk |
| Material | Steel / Stainless Steel |
| Finish | Zinc-plated, Black Oxide, or Natural |
| Thread Type | Metric Coarse |
Application Scenarios

Our m3 countersunk bolt is designed for a variety of applications across numerous industries, including but not limited to:
- Automotive Industry: Used in assembling body panels and interior components, where a flush finish is critical.
- Electronics Manufacturing: Ideal for securing electronic housings and components without interfering with circuit boards.
- Furniture Production: Employed in wood and metal furniture to provide a clean look, enhancing overall design.
- Construction: Utilized in securing fixtures and fittings where a smooth surface is necessary for safety and aesthetics.
- Appliance Assembly: Perfect for securing parts in kitchen and home appliances, contributing to both functionality and style.
Advantages
The m3 countersunk bolt offers several advantages that make it a preferred choice for professionals:
- Enhanced Aesthetics: The flush design minimizes the visibility of fasteners, making it suitable for polished surfaces.
- Improved Safety: Reduced protrusion lowers the risk of snagging and injury in high-traffic areas.
- Durability: The robust construction ensures longevity even under heavy load conditions and harsh environments.
- Easy Installation: Designed for easy insertion and tightening, these bolts save time during assembly.
- Customizable Options: Available in various lengths, materials, and finishes to meet specific project requirements.
Why Choose Us
When it comes to sourcing m3 countersunk bolts, we stand out for several reasons:
- Quality Assurance: Our products undergo strict quality control measures ensuring they meet international standards.
- Competitive Pricing: We offer competitive rates without compromising on quality, making us an ideal partner for bulk purchases.
- Expert Guidance: Our team of experts is available to assist you in selecting the right fasteners for your specific needs.
- Global Reach: We service clients across the globe, providing reliable shipping and logistics solutions.
- Customer Satisfaction: Our commitment to customer service ensures that your experience with us is smooth and satisfying.
FAQ
1. What is the difference between countersunk bolts and regular bolts?
Countersunk bolts feature a conical head that allows them to sit flush with the surface of the material, providing an aesthetically pleasing finish and reducing the risk of snagging, while regular bolts have a standard head that protrudes from the surface.
2. In what materials are m3 countersunk bolts available?
Our m3 countersunk bolts are available in a variety of materials, including standard steel, stainless steel, and various coated finishes to enhance corrosion resistance.
3. How do I determine the correct length for my application?
The correct length of an m3 countersunk bolt will depend on the thickness of the materials you are fastening together. It's recommended to choose a bolt length that allows for sufficient thread engagement without excessive protrusion.
4. Are custom lengths available for m3 countersunk bolts?
Yes, we offer customizable lengths for our m3 countersunk bolts to meet specific project requirements. Please contact us for more details on customization options.
5. Can these bolts be used in outdoor applications?
Yes, but if using our m3 countersunk bolts in outdoor applications, we recommend selecting stainless steel or zinc-plated options for enhanced corrosion resistance.
