Exploring the Different Types of Fasteners Used in CNC Machining--cncmass.com(solid rivet Norton)

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CNC (Computer Numerical Control) machining has revolutionized various industries, providing precision and efficiency in manufacturing processes. From automotive parts to aerospace components, CNC machines play an integral role in production. Alongside this advanced technology, fasteners hold immense importance as they ensure structural integrity and secure different components together. In this article, we will delve into the world of CNC machining and explore the various types of fasteners used.

Types of Fasteners in CNC Machining:

1. Screws:
Screws are one of the most widely used fasteners in CNC machining. They consist of a threaded shaft with a head designed for easy turning with a screwdriver or wrench. The threads on screws come in various sizes and styles, including buttress, round, square, and Acme. Machine screws, self-tapping screws, wood screws, and sheet metal screws are commonly used in CNC applications.

2. Bolts:
Bolts are similar to screws but typically require a nut to fasten components together. They are available in a wide range of materials such as steel, stainless steel, brass, and titanium, allowing manufacturers to select the appropriate strength based on their specific requirements. Hex bolts, carriage bolts, socket head bolts, and shoulder bolts are some examples of bolts frequently used in CNC machining.

3. Nuts:
Nuts are essential counterparts to bolts and are utilized to securely fasten components. Commonly hexagonal in shape, nuts can be easily tightened or loosened using hand tools or power tools. Similarly, a variety of materials are available for nuts, enabling compatibility with different bolt types, such as standard hex nuts, locknuts, wing nuts, and flange nuts.

4. Washers:
Washers serve multiple purposes in CNC machining processes. They act as spacers, distributing loads evenly across surfaces, and help prevent fasteners from loosening due to vibrations or thermal expansion. Flat washers, lock washers, fender washers, and square washers are commonly employed in CNC applications.

5. Rivets:
Rivets provide a permanent means of fastening components together. These fasteners consist of a cylindrical shaft with a head on one end. The rivet is inserted into pre-drilled holes, and the tail is then deformed using specialized tools to form a strong mechanical bond. Solid rivets, blind rivets, drive rivets, and tubular rivets are among the most widely utilized in CNC machining.

6. Clips and Clamps:
Clips and clamps are integral for securing lightweight materials firmly through compression force. They are particularly useful when working with plastics or other delicate materials that may become damaged under excessive pressure. Spring clips, toggle clamps, and hose clamps are frequently employed in CNC manufacturing processes.


In the ever-evolving realm of CNC machining, fasteners play a crucial role in joining different components together securely. From screws and bolts to nuts and rivets, each type has its unique features and benefits, enabling manufacturers to achieve the desired structural integrity and reliability in their products. Understanding the various types of fasteners available in CNC machining helps ensure optimal design, improved efficiency, and enhanced product performance. So next time you come across intricate machinery or a complex assembly, remember the importance of these small but vital components holding it all together! CNC Milling