A Comprehensive Guide to Types of Fasteners in CNC Machining --cncmass.com(machining finishes Osborn)

  • Time:
  • Click:6


In the world of manufacturing, fasteners play a vital role in holding components together and ensuring structural integrity. From everyday objects like furniture to complex machinery parts, fasteners are essential for assembling various materials. With the advent of Computer Numerical Control (CNC) machining, the production process has become more efficient and precise. This article aims to provide an insightful guide on types of fasteners used in CNC machining, while also exploring their different applications and benefits.

1. Screws:

Screws are one of the most common types of fasteners, characterized by their threaded body and tapered head. In CNC machining, screws find extensive use in assembling two or more components securely. They come in various shapes and sizes, such as pan-head screws, countersunk screws, hexagon socket screws, and more. The choice of screw type depends on the specific application requirements, including load-bearing capacity, resistance to corrosion, and aesthetic considerations.

2. Bolts:

Similar to screws, bolts are externally threaded fasteners with cylindrical bodies and heads that require nuts to secure them in place. Boasting higher strength than screws, bolts excel at creating joints that can withstand heavy loads. CNC machined bolts are widely utilized in construction, automotive, and aerospace industries. Head styles include hexagonal, round, square, or flanged, allowing compatibility with different tools and applications.

3. Nuts:

Nuts are often paired with bolts for effective fastening. These internally threaded components work hand-in-hand with bolts, enabling stable connections between various materials. Precision CNC machining ensures accurate threading on nuts, providing a seamless fit with corresponding bolts. Hexagonal nuts, wing nuts, and locknuts are some popular variants, each offering distinct advantages depending on the anticipated usage scenario.

4. Washers:

Washers act as simple yet crucial elements in fastening mechanisms. They are flat, circular discs with a hole in the center, typically made from materials like stainless steel or nylon. In CNC machining, washers come in different forms such as flat washers, lock washers, and spring washers. Their primary purpose is to distribute load evenly, prevent damage to surfaces, reduce friction, and increase stability.

5. Rivets:

When permanent fastening is required, rivets provide an ideal solution. These cylindrical pins have heads on one end and are secured by deforming or "upsetting" their other end. Riveting creates secure bonds between layers of material without requiring access to both sides of the assembly. Used extensively in the aerospace and automotive industries, CNC machined rivets ensure precise dimensions and enhanced structural integrity.

6. Clips and Clamps:

Clips and clamps offer versatile fastening options for components that need to be easily assembled and disassembled repeatedly. Clips usually attach by snapping into place, while clamps use either mechanical or manual tightening mechanisms. Whether it's wire clips, hose clamps, or spring clamps, CNC machining allows for custom manufacturing to suit specific project requirements, ensuring proper fit and durability.


CNC machining revolutionized the production process, enabling manufacturers to create precision parts efficiently. Assembling these parts securely relies heavily on choosing the right type of fasteners. Screws, bolts, nuts, washers, rivets, clips, and clamps all play essential roles in creating solid connections. With the support of CNC machining technologies, fasteners can be customized to meet unique requirements, providing reliable and robust solutions across various industries. Understanding the different types of fasteners available is crucial for achieving optimal results in CNC machining applications. CNC Milling