Exploring the Diverse Types of Fasteners for CNC Machining--cncmass.com(plasma cutting Valentine)

  • Time:
  • Click:12
  • source:BREDA CNC Machining

Keywords: types of fasteners, CNC machining


CNC machining revolutionized the manufacturing industry with its ability to produce highly precise and intricate components. When it comes to CNC machining, the selection of appropriate fasteners plays a crucial role in ensuring the overall structural integrity and successful assembly of the end product. In this article, we will delve into the various types of fasteners commonly used in CNC machining, their specific functionalities, and how they contribute to the production process.

1. Screws:
Screws are one of the most versatile fasteners, widely employed in CNC machining tasks. They come in different sizes, materials, thread types (coarse, fine), heads (pan, phillips, flat), and drive styles (hex, torx). Screws provide strong holding power and can be easily tightened or loosened using corresponding tools. Their applications range from anchoring components together to securing brackets and mounting plates.

2. Bolts:
Similar to screws, bolts serve as essential fasteners in CNC machining processes. The primary distinction lies in their utilization alongside nuts instead of directly driven into threads. Through combining bolts with nuts, they offer superior strength and stability, making them ideal for heavy-duty applications. Like screws, bolts exist in numerous dimensions, head shapes (hex, carriage, socket), and material variations (steel, stainless steel, brass).

3. Nuts:
Nuts complement screws and bolts by providing secure connections through suitable mating threads. Available in hexagonal, square, or other designs, nuts enable easy disassembly and reassembly during maintenance or repair procedures. Depending on the application requirements, different nut types like lock nuts, wing nuts, or cap nuts can be utilized to enhance vibration resistance, prevent loosening, or improve aesthetics.

Though often overlooked, washers play an important part in CNC machining. They serve as flat metal disks designed to distribute the load evenly and prevent damage by reducing friction, allowing free rotation or tightening without causing distortion to the connected components. Common types include flat washers (general-purpose), lock washers (preventing loosening), and spring washers (absorb vibrations).

5. Rivets:
Rivets offer a permanent fastening solution in CNC machining, ideal for joining materials where disassembly is unnecessary. Utilizing heat or pressure, rivets deform when installed, creating a secure joint through deformation of their heads. They find extensive usage in industries like automotive, aerospace, and construction due to their ability to withstand high loads and temperature variations.

6. Inserts:
Often used to reinforce weak sections or attach bolts in plastic or composite materials, inserts provide reliable threads for fastening purposes. These threaded inserts come in various styles such as helical, key-locking, or press-in variants, ensuring that strong connections can be achieved even in relatively weaker substrates.


CNC machining demands meticulous attention to detail, with every aspect carefully considered for optimal performance. Understanding the variety of fasteners available and their roles within the manufacturing process is crucial for achieving desired results. From screws and bolts to nuts, washers, rivets, and inserts, each type of fastener serves a specific purpose in providing stability, strength, and versatility in CNC-machined products. By utilizing the appropriate fasteners, manufacturers can ensure precise assembly, increased efficiency, and enhanced structural integrity, ultimately delivering superior quality end-products across various industries. CNC Milling CNC Machining