A Comprehensive Guide to Types of Fasteners in CNC Machining--cncmass.com(removing broken tap Brook)

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CNC machining plays a vital role in today's manufacturing industry, offering efficient and precise methods for producing various products. When it comes to CNC machining, one crucial aspect is securing different components together using fasteners. This article aims to provide a comprehensive guide on the types of fasteners used in CNC machining, their characteristics, applications, and production techniques.

1. Bolts:
Bolts are one of the most common types of fasteners utilized in CNC machining processes. They consist of a threaded rod with a head at one end and a nut on the other. Bolts offer excellent holding power and are capable of securely joining two or more components together. The production process involves threading and heat treatment to enhance their strength and durability. Bolt variations such as hex bolts, shoulder bolts, and carriage bolts cater to specific requirements across diverse industries.

2. Screws:
Similar to bolts, screws also feature threading but typically do not require a separate nut for fastening. They have a slotted or Phillips head that allows easy tightening or removal using a corresponding screwdriver. Self-tapping screws are commonly used, enabling them to create threads within the material they are being fastened into. Screws find wide-ranging applications, including electronic devices, automotive components, and household appliances.

3. Nuts:
Nuts are indispensable elements in CNC machining, acting as counterparts to bolts and serving the purpose of fastening or mating different parts together. Hex nuts, square nuts, and wing nuts are a few examples of available nut designs based on specific needs. Production includes forming them from metal sheets through stamping, followed by surface treatments like plating or coating to increase their resistance to corrosion.

4. Washers:
Washers serve multiple purposes in CNC machining, primarily providing a smooth load distribution between fasteners and the surfaces they attach to. They prevent damage, reduce friction, and absorb vibrations. Flat washers, spring washers, and lock washers are widely used in CNC machining applications. These thin metal discs undergo precision stamping or cutting techniques during production.

5. Rivets:
Rivets are permanent fasteners that secure two or more components together by joining them using a cylindrical shaft and head on one end. They find extensive use in industries such as aerospace, automotive, and construction due to their exceptional strength and reliability. The installation process involves drilling matching holes through the materials being joined and then deforming the rivet's tail to create a firm bond.

6. Pins:
Pins are versatile fasteners commonly employed for alignment, connection, or detachment purposes in CNC machining. Spring pins, cotter pins, and dowel pins are a few examples found across different industries. Production usually involves utilizing automated machinery for precision cutting and shaping various pin types.


Fasteners play a crucial role in CNC machining, ensuring the structural integrity and functionality of assembled components. Bolts, screws, nuts, washers, rivets, and pins collectively contribute to maintaining stability, with each serving a specific purpose based on unique application requirements. Understanding the characteristics and production techniques behind these fasteners is essential for proper selection and utilization in CNC machining processes. With this comprehensive guide, manufacturers can make informed decisions when choosing the right type of fastener suitable for their specific needs. CNC Milling CNC Machining