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Fasteners are mechanical devices that join or affix two or more objects together, providing stability, alignment, and support in various applications across multiple industries, playing a critical role in engineering, construction, automotive, and numerous other sectors. Available in a wide array of types, materials, and sizes, each fastener is designed to fulfill specific functions and requirements based on scientific principles. Common fasteners, such as bolts, screws, and nuts, rely on threading to create strong connections between components; bolts are designed for use with a nut, enabling the clamping of components together, while screws create a strong bond by digging into and gripping the material they are driven into. Nuts feature internal threads that engage with the threads of a bolt to form a robust connection when tightened. Washers, disc-shaped components that distribute load evenly, reduce friction, prevent loosening, and protect surfaces from damage, are typically placed between a bolt or screw head and the surface being fastened. Rivets join components together by passing a cylindrical shaft through pre-drilled holes and deforming the end to create a second head, locking the components in place. Pins, which include dowel pins, taper pins, and cotter pins, are cylindrical fasteners used to align, locate, or hold parts together and can be employed in applications where a removable connection is needed or to prevent rotation between parts. Anchors, used to attach objects or structures to concrete, masonry, or other solid surfaces, come in various designs to cater to different load capacities and base materials. Threaded inserts provide a strong and durable threaded hole in soft materials or for repairing damaged threads. Selecting the appropriate fastener for a specific application involves considering factors such as the materials being fastened, load requirements, environmental conditions, and desired ease of assembly or disassembly. A comprehensive understanding of various fastener types and their properties, based on scientific principles, can help engineers, technicians, and other professionals ensure the reliability and longevity of connections in diverse applications.


Hex Head Cap Screws

Also known as hex bolts are fasteners with a hexagonal head and a threaded shaft. They offer secure and reliable assembly in various applications, providing strong and durable connections.

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Shoulder Bolts

Also referred to as shoulder screws or stripper bolts, are fasteners with a cylindrical shoulder between the head and the threaded portion. They are designed to provide a precise and sturdy pivot point or bearing surface, often used in applications requiring rotational movement or alignment.

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Pins & Clips

Versatile fastening devices used to secure or connect different components, providing a reliable and convenient solution for various applications, including assembly, fastening, and alignment.

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Machine Screws

Threaded fasteners designed to be used with tapped holes or nuts, providing secure and reliable fastening in various applications.

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Flat, circular discs used to distribute the load and provide a smooth surface between a bolt or nut and the material being fastened.

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Socket Screws

Also called Allen screws are specialized threaded fasteners with a cylindrical head and an internal hexagonal drive socket.

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Utilized for joining components together through the application of torque and axial force.

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Threaded fasteners used with bolts or threaded rods to secure components together. They provide adjustable and reliable fastening in various applications.

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Set Screws

Headless threaded fasteners used to secure objects together, often with a flush or low-profile design.

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