A Comprehensive Guide to Types of Fasteners in CNC Machining(beadblast Herman)

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In the world of manufacturing, CNC machining plays a pivotal role in simplifying complex production processes. Among its many applications, CNC machining is widely utilized for producing a vast array of fasteners. These essential components are vital for creating secure connections between different parts and products, ensuring structural integrity and stability. Today, we delve into the fascinating world of types of fasteners commonly produced using CNC machining techniques.

Understanding Fasteners:

Fasteners are mechanical devices used to join or affix two or more objects together. They function by combining threaded or non-threaded mechanisms to create robust connections. Fasteners possess varying features such as head style, thread type, size, material composition, and drive type, dictating their suitability for specific applications. CNC machining empowers manufacturers with precise control and repeatability in producing these essential components.

1. Screws:
Screws are inclined planes wound around cylindrical shafts, featuring threads that enable rotational insertion into materials. Material selection for screws ranges from stainless steel and alloy steels to brass or titanium, each offering unique properties like corrosion resistance, tensile strength, or weight considerations. Threads on screws can vary from coarse (wood screws) to fine (machine screws), fulfilling diverse needs across industries, construction projects, and general-purpose applications.

2. Bolts:
Unlike screws, bolts typically possess no pointed end and require a nut for assembly. They are designed with external threading along their entire length, allowing them to pass through pre-drilled holes before securing with nuts. Bolt heads range from hexagonal (Hex bolts) and square (square head bolts) to round (carriage bolts) and T-shaped (T-bolts), providing convenience and flexibility for distinct purposes.

3. Nuts:
Nuts complement bolt assemblies by providing grip and tension. They come in various forms, including hex, wing, square, T-shaped, and flanged nuts. CNC machining ensures precise sizing of the fastener's internal threads to guarantee compatibility with corresponding bolt diameters.

4. Washers:
Washers create a smooth surface for tightening connections while distributing the load evenly. Flat washers, spring washers, lock washers, and split washers contribute to preventing loosening due to vibrations or unexpected external forces in industrial equipment or simple household use.

5. Rivets:
Rivets offer permanent joining solutions without any threading. CNC machining extrudes rivet bodies by shaping metals like aluminum, stainless steel, copper, or brass into tubular structures. Installing rivets involves deforming their ends using pressure, creating a secure connection between materials. They withstand considerable loads efficiently, making them vital in industries such as aerospace, automotive manufacture, and construction.

6. Anchors:
Anchors serve as fasteners for attaching objects onto walls, ceilings, or floors. They come in several types, including wall anchors, toggle bolts, concrete anchors, expansion plugs, and screw anchors. The production process predominantly involving CNC machining ensures consistent quality, durability and proper fitting within different material compositions.


CNC machining revolutionizes the production of various fasteners, ensuring precision and reliability across diverse applications. Screws, bolts, nuts, washers, rivets, and anchors comprise just some of the essential fasteners manufactured utilizing these advanced techniques. Understanding the intricacies of each type helps engineers, designers, and manufacturers select appropriate fasteners for specific projects, optimizing functionality, and ensuring structural integrity. As technology continues to advance, CNC machining will continue to play a crucial role in producing high-quality fasteners that meet the demands of ever-evolving industries. CNC Milling