Exploring the Versatility of CNC Machining in Producing Different Types of Fasteners--cncmass.com(rivit types Ellis)

  • Time:
  • Click:8
  • source:FANYA CNC Machining


CNC (Computer Numerical Control) machining has emerged as a game-changer in the manufacturing industry. It utilizes computer-controlled machines to precisely fabricate parts and products. Industries that require diverse fasteners for their applications greatly benefit from CNC machining due to its versatility and accuracy. In this article, we will delve into the various types of fasteners and how CNC machining plays a crucial role in producing them.

Types of Fasteners:

1. Bolts:
Bolts are threaded fasteners used to join two or more components together. They come in different sizes, materials, head styles, and thread patterns. CNC machining allows precise cutting and shaping of bolts according to specific requirements. The raw material is fed in a CNC lathe machine, where it undergoes turning, milling, drilling, and tapping processes to create customized bolt shapes with accurate threads.

2. Screws:
Screws are similar to bolts but differ in their application. They are designed to be self-tapping or engaging in pre-drilled holes. Like bolts, screws can be produced using CNC machining techniques. Computer-controlled machines ensure proper thread formation and consistent quality of the screw heads, which vary in style, such as flat-head, round-head, pan-head, or oval-head.

3. Nuts:
Nuts are internally threaded fasteners used in conjunction with bolts or screws. They provide a secure connection by mating with external threads on these fasteners. CNC machining enables the production of nuts in different materials and sizes, including hexagonal, square, flanged, or winged nuts. Precise threading and dimension control guarantee the compatibility and reliability of the installed nuts.

4. Washers:
Washers are small discs with a hole in the center used to distribute load or protect surfaces from damage. CNC machining facilitates the production of washers by cutting or stamping them from various types of sheet metal. The accurately sized holes, shapes, and thicknesses are achieved with high precision, ensuring an optimal fit for the required application.

5. Rivets:
Rivets are mechanical fasteners that permanently join materials together without the need for threads. They consist of a cylindrical shaft (shank) and a formed head on one end. CNC machining helps create rivets by precisely shaping the shanks and heads in different sizes and materials. This process enables tight tolerances, contributing to superior performance of the assembled components.

CNC Machining in Fastener Production:

1. Material Selection:
CNC machining allows for the production of fasteners using a wide range of materials, including stainless steel, aluminum, brass, titanium, and specialty alloys. Each material offers unique properties such as strength, corrosion resistance, and conductivity, making it suitable for specific applications.

2. Precise Cutting and Shaping:
Computer-controlled machines ensure accurate dimensions, intricate designs, and consistent quality while cutting and shaping fasteners. CNC milling machines, lathes, and grinders perform tasks like chip carving, thread creation, chamfering, fluting, and engraving, resulting in well-crafted fasteners.

3. Customization Options:
CNC machining offers immense flexibility in customizing fasteners according to clients' requirements. From modifying standard designs to creating entirely new ones, the ability to program machine paths allows for producing fasteners with unique features, finishes, and surface treatments, including coatings, plating, or heat treatment.

4. High Efficiency and Cost-Effectiveness:
CNC machines operate rapidly, reducing lead times and increasing productivity compared to traditional manufacturing methods. With automated processes, fewer human errors occur, leading to less rework or scrap parts. These factors contribute to cost-effective fastener production, particularly for large quantities.


From bolts and screws to nuts, washers, and rivets, the world of fasteners heavily relies on CNC machining for precision manufacturing. The use of computer-controlled machines ensures high-quality products that meet specific design requirements. Regardless of the type or complexity of fasteners needed, CNC machining provides a versatile solution in terms of material selection, customization options, efficiency, and cost-effectiveness. As industries continue to demand diverse fasteners, CNC machining remains vital in meeting those needs with exceptional accuracy and reliability. CNC Milling CNC Machining