Exploring the Various Types of Fasteners in CNC Machining--cncmass.com(what is delrin Tony)

  • Time:
  • Click:2
  • source:TAMIKO CNC Machining


CNC machining has revolutionized the manufacturing industry with its precision and efficiency. These automated systems employ various tools to shape different materials, thereby producing a wide range of products used in everyday life. One crucial aspect of CNC machining is the use of fasteners. In this article, we will delve into the world of fasteners, exploring their types, functions, and importance within the CNC machining process.

Types of Fasteners Commonly Used in CNC Machining:

1. Screws:
Screws are perhaps the most well-known type of fastener. They consist of a threaded shaft with an external helical groove, commonly referred to as threads. CNC machines effectively produce screws by employing precise turning or milling operations. Different screw variations include wood screws, machine screws, self-tapping screws, and more. Each variant serves specific purposes based on design requirements and material compatibility.

2. Bolts:
Similar to screws, bolts feature a threaded shaft. However, unlike screws, bolts require the presence of a nut for secure fastening. CNC machining plays a vital role in fabricating bolts that meet strict dimensions and tolerances demanded by industrial applications. Bolts come in diverse forms like hex bolts, carriage bolts, eye bolts, and others, catering to unique structural demands across industries.

3. Nuts:
Nuts complement bolts by providing the necessary gripping force required for fastening. CNC machines craft nuts through intricate threading processes such as tapping or thread rolling. Hex nuts, wing nuts, locknuts, and flange nuts are among the popular variants produced using CNC machining techniques.

4. Washers:
Washers act as essential components when it comes to distributing loads, reducing friction, preventing damage to surfaces, and increasing stability. These thin, flat discs undergo CNC machining methods like punching or laser cutting for production. Flat washers, spring washers, and lock washers are a few common types used broadly in CNC machining assemblies.

5. Rivets:
Rivets offer an alternative to threaded fasteners. They consist of a cylindrical shaft with a head that expands when hammered or mechanically upset. This expansion creates permanent connections between materials by joining them together. Automated riveting processes integrated into CNC machines ensure precision and consistency throughout production. Blind rivets, solid rivets, and self-piercing rivets are some commonly used variations.

Importance of Fasteners in CNC Machining:

Fasteners play a vital role in CNC machining as they serve several essential functions, including:

1. Secure Assemblies: Fasteners provide the required strength and stability to hold components together in CNC-machined products. Precise fabrication ensures tight fits, preventing structural failures during operation.

2. Dissassemblability: Well-chosen fasteners allow for easy disassembling and reassembling of parts, facilitating repairs, replacements, or modifications without damaging or affecting the entire component or assembly.

3. Load Distribution: By distributing loads evenly across surfaces, fasteners prevent localized stress concentrations, enhancing product durability and longevity.

4. Flexibility in Design: CNC machining enables the creation of intricate fastener designs, ensuring compatibility with various product requirements. Tailored fasteners enhance both aesthetics and functionality.


Fasteners are integral components within the realm of CNC machining. Their diverse types, ranging from screws and bolts to nuts and washers, support the precise assembly and overall function of CNC machined products. Understanding the significance and characteristics of each fastener type assists manufacturers, designers, and engineers in selecting the most appropriate options for their specific applications. With CNC machining driving innovative advancements, it is crucial to comprehend the vast array of fastening solutions available for producing high-quality end products. CNC Milling CNC Machining