Description
The Closed-end Blind Rivet is a precision-engineered fastener designed specifically for high-strength, leak-proof applications where access is limited to only one side of a joint. Unlike standard rivets, the unique closed-end design encapsulates the mandrel head within the body, creating a complete water-tight and airtight barrier. This ensures that liquids, gases, and external contaminants cannot pass through the rivet joint.
Our stainless steel blind rivets are manufactured in compliance with GB12615 standards, ensuring reliable clamping force and consistent installation quality. Available in 304 stainless steel and high-grade aluminum, these core-pulling rivets are optimized for demanding environments that require both structural integrity and moisture resistance. Closed-end blind rivets are widely used in automotive manufacturing, HVAC ducting, electronics housings, construction panels, marine equipment, and general metal fabrication, where strong sealing performance and efficient one-sided installation are required.
Features & Benefits
- Sealed Joint Integrity: The specialized closed-end design creates a permanent airtight and water-tight seal, making it essential for assemblies where preventing leakage is a critical requirement.
- One-Sided (Blind) Installation: Utilizing a core-pulling mandrel mechanism, these fasteners allow for fast and secure installation in structures or cavities where the rear side is completely inaccessible.
- Superior Corrosion Resistance: Our 304 stainless steel options provide high wear resistance and prevent oxidation in humid or outdoor environments, ensuring long-lasting performance.
- Precision-Formed Rivet Head: Every rivet is engineered to provide stable clamping force and a clean, professional finish that enhances the aesthetic and structural reliability of the assembly.
Specification
|
d |
dk |
k max |
R |
r |
d1 |
L1 |
|||
|
Nominal |
max |
min |
max |
min |
≈ |
max |
|||
|
3 |
3.07 |
2.93 |
6.24 |
5.76 |
1.4 |
5 |
0.5 |
1.8 |
26 |
|
3.2 |
3.29 |
3.11 |
6.27 |
5.76 |
1.4 |
5 |
0.5 |
1.8 |
26 |
|
4 |
4.09 |
3.91 |
8.29 |
7.71 |
1.7 |
6.8 |
0.5 |
2.18 |
27 |
|
5 |
5.09 |
4.91 |
8.89 |
9.31 |
2 |
7.6 |
0.7 |
2.8 |
27 |
|
6 |
6.09 |
5.91 |
12.35 |
11.65 |
2.5 |
9.3 |
0.7 |
3.6 |
31 |
FAQ
Q1: What is a Closed-end Blind Rivet?
A: Closed-end Blind Rivet is a type of rivet designed to create a sealed joint during installation. Its closed body prevents liquids or air from passing through the fastener, making it ideal for applications requiring airtight or watertight sealing.
Q2: What is the main advantage of a Closed-end Blind Rivet over an open-end version?
A: The primary advantage is the sealed joint integrity. Because the mandrel head is completely enclosed, the rivet forms a water-tight and airtight barrier that prevents fluids or gases from leaking through the joint—a feature not available with standard open-end rivets.
Q3: Can these rivets be installed without access to the back of the material?
A: Yes. As a "blind" fastener, it uses a core-pulling mechanism that allows it to be installed entirely from one side of the structure. This makes it ideal for pipes, tanks, and closed box sections.
Q4: What standards do these rivets follow?
A: Our Closed-end Blind Rivets are manufactured to comply with GB12615 standards, which ensures precision, consistent performance, and reliable installation quality for industrial applications.
Q5. Do closed-end blind rivets require special installation tools?
A: No. They can be installed using standard manual, pneumatic, or hydraulic rivet guns, which pull the mandrel to expand the rivet and create a secure joint.
