what is a blind fastener

2023/06/22

What is a Blind Fastener and How is it Used?


Blind fasteners have become an essential component when it comes to attaching or joining two different materials together. They come in different shapes and sizes, with each type having varying applications. In this article, we will discuss what a blind fastener is, its types, advantages, and how it is used.


What is a Blind Fastener?


A blind fastener is a mechanical joining device that is designed to securely fasten two different materials together without the need for access from both sides of the joint. Blind fasteners are also referred to as blind rivets or pop rivets. They are commonly used in areas that are difficult to access, making them ideal for the assembly of machines, vehicles, and aircraft.


Types of Blind Fasteners


There are different types of blind fasteners available, and each type is designed for specific applications. Here are five popular types of blind fasteners:


1. Domed Head Rivets: These are the most popular type of blind fasteners. They have a slightly rounded head that provides a neat and professional finish. They are ideal for use in electrical and electronic products.


2. Countersunk Head Rivets: These are designed to sit flush with the surface of the material being fastened. They are perfect for use in areas that require a flat surface finish.


3. Large Flange Rivets: These are designed for use in applications where a larger surface area is required for the fastener. They are ideal for attaching metal sheets to plastic sheets.


4. Peel Rivets: These are unique in shape and function. They have a mandrel that breaks off after installation, leaving a serrated mandrel head that expands and creates a grip in the material being fastened.


5. Multi-grip Rivets: These are designed to work effectively on a range of sheet thicknesses. They are ideal for use in aerospace and automotive industries where the material thickness can vary widely.


Advantages of Using Blind Fasteners


Blind fasteners offer several advantages over traditional fastening methods. Here are three advantages of using blind fasteners:


1. Reduced Noise: Blind fasteners create less noise during the installation process compared to traditional fastening methods such as welding or bolting.


2. Easy Installation: Blind fasteners can be installed easily using manual or pneumatic tools. The quick installation time reduces production time, and the ease of installation means even non-experts can use them.


3. Cost-effective: Blind fasteners are more cost-effective compared to traditional fastening methods. They eliminate the need for multiple fasteners and cut down labor costs.


How are Blind Fasteners Used?


Blind rivets are used in a wide range of applications. Here are five common uses of blind fasteners:


1. Automotive Industry: Blind fasteners are used to fasten various parts in automobiles, including body panels, frames, and seats.


2. Aviation Industry: Blind rivets are commonly used in the aviation industry for attaching control surfaces, wings, and fuselage sections.


3. Electronic Industry: Blind fasteners are ideal for connecting electrical equipment, wiring, and enclosures.


4. Construction Industry: Blind rivets are used in the construction industry to attach cladding to buildings, fasten metal roofs, and install insulation.


5. Boat Industry: Blind fasteners are used to install marine parts, including window frames, deck fittings, and hatch covers.


Conclusion


Blind fasteners have become an essential component in the assembly of different materials, especially in areas that are difficult to access. They are easy to install, cost-effective, and offer several advantages over traditional fastening methods. The different types of blind fasteners available make them a versatile solution for various industries, including automotive, aviation, construction, and electronic industries.

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