Hillman 58462 M8 Metric Extruded U-Nut, Black, 20-Pack

Description

Product Overview

The Hillman 58462 M8 metric extruded U‑nut is engineered to meet the demanding requirements of modern industrial and scientific applications. Constructed from high‑grade alloy steel, the nut offers exceptional tensile strength while maintaining a lightweight profile of just 0.01 ounces per piece. Its fully threaded, fine‑class ISO metric thread provides a precise M8 fit that aligns perfectly with standard M8 bolts and screws, ensuring a secure and vibration‑resistant connection. The extruded U‑shape design functions as both a lock washer and a nut, eliminating the need for separate locking components and simplifying inventory management. Finished in an unfinished black coating, the nut delivers a neutral aesthetic that can be painted or coated to match surrounding hardware without compromising its corrosion‑resistant properties. Each pack contains twenty individual U‑nuts, each measuring 8 mm in diameter and featuring a flat head style that sits flush against mating surfaces. The self‑retaining nature of the U‑shape allows the nut to snap into place quickly, reducing assembly time and minimizing the risk of misplaced fasteners on the workbench. Designed for ISO metric thread standards, the nut is compatible with a wide range of machinery, automotive parts, and DIY projects that require a reliable, fully threaded fastening solution. The product’s GTIN‑14 and UPC identifiers (00008236399899 and 008236399899) ensure seamless integration into inventory and ordering systems, while the Hillman brand reputation guarantees consistent quality across thousands of units shipped worldwide. Whether used in high‑speed production lines, prototype builds, or maintenance repairs, the Hillman 58462 U‑nut delivers the durability, precision, and ease‑of‑use that engineers and technicians demand.
The extrusion process used to form the U‑shape creates a uniform cross‑section that distributes load evenly across the fastener, reducing stress concentrations that can lead to premature failure. Hillman subjects each batch to rigorous heat‑treatment cycles that enhance hardness and improve resistance to wear and tear, ensuring that the nuts maintain their locking capability even after repeated installation and removal cycles. The alloy steel composition includes a balanced mix of carbon and alloying elements that provide a high yield strength while remaining ductile enough to avoid cracking under extreme torque. In addition, the black unfinished finish serves as a protective barrier against moisture and chemicals commonly encountered in industrial environments, extending the service life of the fastener. The compact 20‑piece packaging is designed for easy handling and storage, with each nut individually protected to prevent deformation during transit. For customers who require traceability, the part number 58462 and model number 58462 are clearly marked on the packaging, facilitating quick identification and re‑ordering. The Hillman 58462 U‑nut is also compliant with major industry standards, making it a suitable choice for OEMs, maintenance crews, and hobbyist builders alike.
Installation is straightforward: the U‑nut is placed over the bolt shaft, the arms of the U‑shape are flexed to allow the nut to slide over the threaded portion, and then released to snap into the locked position. This mechanism eliminates the need for additional locking washers or adhesives, reducing part count and simplifying the assembly process. The fine thread class ensures a tight fit that resists loosening under vibration, while the fully threaded length provides ample engagement for a strong mechanical bond. For applications where space is limited, the low‑profile design of the flat head allows the nut to sit close to the surface, preserving clearance for adjacent components.

Usage

The Hillman 58462 M8 extruded U‑nut is versatile enough to perform reliably across a broad spectrum of environments. In manufacturing settings, it is commonly employed to secure panels, brackets, and gear housings where rapid assembly and disassembly are required without sacrificing joint integrity. Its self‑retaining U‑shape makes it ideal for automated fastening stations, where robotic arms can place the nut quickly and consistently, reducing cycle times and minimizing human error. In automotive repair and aftermarket modifications, the nut’s fine M8 thread matches a wide array of engine components, suspension brackets, and interior fixtures, providing a dependable lock that can withstand the high‑frequency vibrations of a running vehicle. For DIY enthusiasts, the 20‑piece pack offers enough units for multiple projects, from building custom furniture to assembling hobby‑grade robotics, while the black unfinished finish can be painted to blend with project aesthetics. The corrosion‑resistant alloy steel construction ensures that the nut remains functional in outdoor applications such as agricultural equipment, marine hardware, and outdoor lighting fixtures, where exposure to moisture, salt, and temperature fluctuations can degrade lesser‑quality fasteners. Additionally, the compact size and lightweight nature of the nut make it suitable for aerospace and UAV assemblies, where every gram of weight saved contributes to overall performance. When used in conjunction with matching M8 bolts, the Hillman U‑nut provides a secure, vibration‑proof connection that reduces the need for periodic torque checks, thereby lowering maintenance costs over the lifespan of the equipment.
Because the nut does not require a separate lock washer, it simplifies inventory management for maintenance teams, allowing them to carry a single part number for both locking and fastening functions. This reduction in part variety translates to faster part retrieval and fewer stocking errors in busy workshops. The U‑nut’s design also facilitates easy inspection; the flat head and open U‑shape allow technicians to quickly verify proper seating and thread engagement without disassembly. In environments where cleanliness is critical, such as food processing plants or medical device assembly, the alloy steel material can be cleaned with standard sanitizing agents without corroding, ensuring compliance with hygiene standards. The Hillman 58462’s compatibility with standard M8 tools means that no specialized equipment is needed for installation, making it accessible to both seasoned professionals and novice users alike.

Why Choose Us

Choosing the Hillman 58462 M8 metric extruded U‑nut means selecting a product backed by decades of engineering expertise and a commitment to quality that has made Hillman a trusted name in fasteners worldwide. Each nut undergoes a stringent quality assurance process that includes dimensional inspection, thread verification, and hardness testing, guaranteeing that every unit meets or exceeds industry specifications. The alloy steel material is sourced from reputable suppliers and processed under controlled conditions to achieve a consistent microstructure that delivers superior strength and durability. Unlike generic low‑cost alternatives, the Hillman U‑nut’s unfinished black coating is not merely cosmetic; it provides a protective layer that resists oxidation and chemical attack, extending the service life of the fastener even in harsh environments. Our customers benefit from responsive technical support that can assist with selection, installation guidance, and troubleshooting, ensuring that the product performs as intended from the first use. In addition, Hillman offers comprehensive documentation, including detailed specifications, installation diagrams, and compliance certificates, facilitating seamless integration into engineering drawings and procurement systems. The 20‑piece packaging is designed for efficiency, reducing handling time and minimizing the risk of lost components during large‑scale projects.
By partnering with Hillman, you gain access to a global supply chain that can deliver consistent stock levels, rapid replenishment, and competitive pricing, helping you maintain production schedules without interruption. Moreover, Hillman’s commitment to sustainability means that the alloy steel used in the U‑nut is recyclable, aligning with environmentally responsible manufacturing practices. Our dedication to continuous improvement drives us to incorporate feedback from field applications into product refinements, ensuring that each new batch of U‑nuts reflects the latest advancements in material science and manufacturing technology. Whether you are an OEM sourcing fasteners for high‑volume production, a maintenance crew seeking reliable replacements for critical equipment, or a hobbyist building a custom project, the Hillman 58462 delivers the performance, reliability, and ease of use that you expect from a premium fastener solution. With a proven track record of over 300,000 units shipped in the Clip‑On Nuts category, the Hillman 58462 has earned a reputation for consistency and value, making it a smart investment for any fastener inventory.

Key Features

• Robust alloy‑steel construction provides high tensile strength while remaining lightweight for easy handling.
• Self‑retaining U‑shape locks in place without additional washers, speeding up assembly and reducing part count.
• Fine M8 ISO metric thread ensures a precise, vibration‑resistant fit for a wide range of bolts.
• Unfinished black finish offers corrosion resistance and can be painted to match any project aesthetic.
• Backed by Hillman’s technical support and comprehensive documentation for hassle‑free installation and after‑sales assistance.

FAQ

What is the difference between a U‑nut and a regular nut?

A U‑nut combines the functions of a lock washer and a nut in one piece, providing a self‑retaining lock that eliminates the need for separate locking components.

Can the Hillman 58462 be used with stainless steel bolts?

Yes, the U‑nut’s fine M8 thread is compatible with stainless steel, carbon steel, and other common bolt materials, offering a secure connection regardless of the bolt’s composition.

Is the black finish suitable for outdoor applications?

The unfinished black coating provides basic corrosion resistance and can be further protected with paint or a sealant, making it suitable for many outdoor and marine environments.

How many pieces are included in each package?

Each package contains twenty individual extruded U‑nuts, providing ample quantity for multiple projects or bulk inventory needs.

What testing does Hillman perform to ensure product reliability?

Hillman conducts tensile strength testing, hardness verification, and thread fit inspections on every production batch, ensuring each U‑nut meets strict performance standards before shipment.