Exploring the Different Types of Fasteners in CNC Machining--cncmass.com(3d printing threads Sibyl)

  • Time:
  • Click:7
  • source:MAJA CNC Machining


CNC machining is a revolutionary process that has transformed various industries by allowing for precise and efficient production. One crucial aspect of CNC machining is fasteners, which play a vital role in holding different parts together during the manufacturing process. In this article, we will delve into the world of fasteners used in CNC machining, exploring their types, applications, and benefits.

1. Bolts:
Bolts are one of the most commonly used fasteners in CNC machining. They are typically made from steel or stainless steel and come in various sizes and strengths. To produce bolts using CNC machining, manufacturers start with cylindrical rods and then carefully shape them using cutting tools to create threads along their lengths. Bolts find application in numerous industries, including automotive, aerospace, and construction due to their high tensile strength and ability to withstand heavy loads.

2. Screws:
Screws differ from bolts as they have helical ridges called threads all along their length, designed to engage with corresponding female threads. Similar to bolts, screws can be produced through CNC machining by cutting threads onto cylindrical rods. Screws offer excellent grip and stability when inserted into materials, making them ideal for assembling components like metal sheets, wood panels, and plastic parts.

3. Nuts:
Nuts are an essential component of fastening systems in CNC machining. These hexagon-shaped items are threaded internally, facilitating secure attachment with bolts and screws. Nuts are usually manufactured by CNC machining techniques involving the removal of excess material while intricately designing internal threads using cutting tools. With their ability to provide added support and load distribution, nuts ensure stable connections between different components.

4. Washers:
Washers, though seemingly simple, serve a significant purpose in CNC machining. These thin, disc-shaped pieces, often made of metal, sit between the nut/screw head and the material being fastened. They help distribute the load evenly, prevent damage to materials, and reduce friction when tightening fasteners. Using CNC machining, washers are produced by cutting circular blanks from metal sheets and shaping their edges to the desired thickness.

5. Rivets:
Unlike bolts or screws, rivets do not require threads but instead work through deformation. They consist of a cylindrical shank and a head on one end, with the other end expanding once inserted into pre-drilled holes using automated CNC equipment. The expansion creates a tight joint, securely holding together two or more components. Rivets find extensive use in industries like automotive, aerospace, and shipbuilding, where they provide strong and reliable connections.


Fasteners form an integral part of CNC machining, providing strength, stability, and convenience during assembly processes across various industries. Bolts, screws, nuts, washers, and rivets all offer unique characteristics that cater to specific requirements. Understanding the different types of fasteners and their production via CNC machining is essential for manufacturers aiming to optimize efficiency, reliability, and quality in their products.\ CNC Milling CNC Machining