The Various Types of Fasteners in CNC is a annular snap joint Vivian)

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Fasteners are an essential component used in various industries, providing strength and stability to assembled parts. In the world of CNC machining, fasteners play a crucial role in ensuring precision, reliability, and efficiency. This article will delve into the different types of fasteners commonly used in CNC machining processes.

1. Bolts and Screws:

Bolts and screws are widely utilized fasteners with threaded exteriors. They are distinguished based on their structural design - bolts contain a nut for tightening purposes, whereas screws possess their own threading. These fasteners are essential for securing multiple components together and provide superior control over assembly tension.

In the realm of CNC machining, bolts and screws are produced through precision manufacturing processes such as turning or milling. CNC machines precisely carve out threads and shapes according to specifications provided by engineers. Starting from raw materials like steel or aluminum, these fasteners undergo careful fabrication, resulting in highly reliable and durable components.

2. Nuts:

Nuts serve as complementary fasteners to bolts, creating a secure connection between two parts. They come in various forms such as hex nuts, locknuts, wing nuts, and more. Hex nuts, characterized by six flat sides, are extensively used due to their ease of operation and efficient gripping capabilities.

CNC machining is instrumental in producing high-quality nuts by employing precise cutting techniques. The machining process ensures that the dimensions and thread patterns conform strictly to engineering standards. With CNC machines, manufacturers can swiftly produce large volumes of accurately shaped and sized nuts.

3. Washers:

Washers act as support systems for fasteners, distributing forces evenly across connected parts. Their primary function is to prevent damage caused by excessive pressure or friction when components are tightened. Flat washers and split lock washers are commonly used in CNC machining applications.

Manufacturing washers using CNC machinery involves intricate programming and precise cutting. CNC machines can effortlessly produce consistent washer dimensions, ensuring optimal performance and reliability. By utilizing a variety of raw materials and employing cutting-edge machinery, manufacturers cater to the extensive requirements of different industries.

4. Rivets:

Rivets are permanent fasteners used when welding or soldering is impractical, or disassembly may be required in the future. They consist of a cylindrical shaft with a head at one end. During assembly, rivets are inserted into pre-drilled holes before being deformed or clinched using specialized tools.

CNC machining plays an invaluable role in creating rivet holes with exceptional precision and accuracy. These holes align perfectly across multiple components, allowing for precise placement of rivets during subsequent assembly stages. This guarantees maximum structural integrity, particularly in applications where strength and long-term durability are critical.

5. Anchors:

Anchors provide a solid grip within various base materials such as concrete, brick, or drywall. Commonly used in construction and woodworking industries, they ensure secure mounting points for fixtures and structures. Anchors come in different types, including sleeve anchors, wedge anchors, and expansion anchors.

Manufacturing anchors involves CNC machines carefully carving out the anchor design specifications on raw material blocks. The process requires precision cutting and shaping to create uniform scores that allow the anchor to expand correctly upon insertion. CNC machines enable producing anchors that meet stringent standards regarding strength, stability, and resistance to external forces.


In the world of CNC machining, fasteners form the backbone of sturdy and reliable assemblies. Bolts, screws, nuts, washers, rivets, and anchors play pivotal roles in securing various parts together, providing strength and functionality. With the aid of advanced CNC machining technology, manufacturers can efficiently produce these fasteners to exact specifications, meeting industry demands for precision and durability. CNC Milling CNC Machining