Extruded U Nuts 5/16-18 Long by Hard-to-Find Fastener 10 Piece Pack

Description

Product Overview

The 014973226435 model from Hard-to-Find Fastener is an extruded U‑nut designed for demanding industrial environments. Constructed from alloy steel with a phosphate coating, each nut offers a robust combination of strength and corrosion resistance. The long 5/16‑18 thread provides extra engagement length, reducing the risk of loosening under vibration and ensuring a secure hold in a wide range of applications. The phosphate finish not only protects the metal from rust but also adds a subtle matte appearance that resists oil and grime buildup, making the nuts easier to handle during installation. With a precise 0.31‑inch cutting diameter and a total length that exceeds standard U‑nuts, these fasteners are engineered to fit thicker material stacks without sacrificing thread integrity. The package includes ten pieces, each inspected for dimensional accuracy and thread quality, guaranteeing consistent performance across the entire batch. Designed to meet the Unified National Coarse (UNC) thread standard, the nuts are compatible with a broad spectrum of bolts and studs, simplifying inventory management for manufacturers and maintenance crews alike. Their black phosphate finish also helps to visually differentiate them from other fasteners, reducing the chance of mismatched parts during assembly. Whether used in heavy‑duty machinery, electrical panels, or automotive sub‑assemblies, these speed nuts deliver the reliability required for critical load‑bearing connections.

Usage

These extruded U‑nuts excel in environments where vibration, temperature fluctuations, and exposure to moisture are common. In manufacturing plants, they secure motor housings, gearboxes, and pump assemblies, providing a tight, vibration‑dampened connection that prolongs equipment life. Electrical contractors rely on the long thread to fasten conduit clamps and grounding brackets, where the extra engagement depth helps maintain a consistent electrical path even when the surrounding metal expands or contracts. Automotive technicians appreciate the ability to use these nuts in engine bays and chassis sub‑frames, where the phosphate coating resists oil splatter and coolant exposure, preventing premature corrosion. The nuts are also suitable for aerospace maintenance, where weight‑critical yet high‑strength fasteners are essential; the alloy steel core offers the necessary tensile strength while the coating adds a protective barrier against atmospheric moisture at altitude. For DIY enthusiasts, the 10‑piece pack provides enough quantity for multiple projects, from building custom workbenches to repairing outdoor equipment that endures rain and dust. Installation is straightforward: simply thread the nut onto the bolt, tighten to the recommended torque, and the long U‑shape distributes load evenly across the mating surface, reducing stress concentrations. The design also allows for quick removal and re‑installation, making them ideal for applications that require periodic disassembly for inspection or part replacement.

Why Choose Us

Hard-to-Find Fastener has built its reputation on delivering precision‑engineered components that meet rigorous industry standards. Each batch of extruded U‑nuts undergoes a multi‑stage quality control process, including dimensional verification, thread pitch testing, and coating adhesion checks, ensuring that every nut meets the exact specifications listed in the product data sheet. Our phosphate coating is applied using a controlled chemical process that guarantees uniform thickness, providing superior corrosion resistance compared to generic zinc‑plated alternatives. The alloy steel composition is selected for its high tensile strength and fatigue resistance, allowing the nuts to perform reliably under cyclic loading conditions common in industrial machinery. We also prioritize sustainability; our manufacturing facilities employ energy‑efficient extrusion techniques and recycle metal scrap, reducing environmental impact while maintaining competitive pricing. Customer support is a cornerstone of our service model: our technical team is available to answer fitment questions, recommend torque values, and assist with any warranty claims, ensuring that you receive not only a product but a comprehensive solution. With a track record of positive reviews and a Best Sellers Rank that reflects strong market acceptance, these speed nuts have proven their value to engineers, procurement officers, and hands‑on technicians worldwide.

Key Features

• Long 5/16‑18 thread delivers extra engagement for secure fastening in thick assemblies.
• Phosphate coating provides excellent corrosion resistance and easy cleaning.
• Alloy steel construction offers high tensile strength and durability under load.
• Precision extrusion ensures consistent dimensions and reliable thread fit.
• Dedicated customer support and warranty for peace of mind after purchase.

FAQ

What is the difference between a standard U‑nut and this long‑thread version?

The long‑thread version adds additional thread length, allowing it to secure thicker material stacks and providing greater resistance to vibration‑induced loosening. This makes it ideal for heavy‑duty applications where a standard U‑nut might not engage enough material.

Can these nuts be used with stainless steel bolts?

Yes, the UNC thread profile is compatible with stainless steel bolts of the same size. The phosphate coating on the nut will not adversely affect the stainless steel, and the alloy steel core provides sufficient strength to match the bolt’s performance.

How do I determine the correct torque setting for these nuts?

For a 5/16‑18 alloy steel nut with a phosphate finish, a typical torque range is 8‑10 ft‑lb. Always refer to the equipment manufacturer’s specifications, and use a calibrated torque wrench to avoid over‑tightening, which could strip the threads.

Are these nuts suitable for outdoor or marine environments?

The phosphate coating offers good resistance to moisture and mild corrosion, making the nuts suitable for many outdoor applications. However, for harsh marine environments with constant saltwater exposure, a stainless steel or specially coated fastener may be preferable for extended service life.

What warranty does Hard-to-Find Fastener provide for these U‑nuts?

We offer a limited one‑year warranty covering material defects and coating failures. If a nut fails due to manufacturing issues within the warranty period, we will replace it at no additional cost. Contact our support team with the purchase details for assistance.