Helion M3x0.5mm Flanged Serrated Locknuts 10 Pack HLNS1168

Overview

The Helion M3x0.5mm Flanged Serrated Locknuts (HLNS1168) are precision replacement fasteners designed for RC car enthusiasts and hobbyists who demand reliability and durability in their vehicles. Whether you're maintaining a Helion Four 10SC short course truck or any compatible RC model, these high-quality locknuts are essential spare parts that keep your RC car running smoothly. As a UK RC retailer, we understand that maintaining your RC car UK fleet requires access to genuine replacement parts, and these Helion locknuts represent the kind of quality components that distinguish between occasional maintenance and a well-maintained racing machine.

This pack contains ten replacement M3 flanged serrated locknuts, providing you with multiple spare fasteners for repairs, maintenance, or building projects. The flanged design and serrated locking feature work together to prevent vibration loosening during aggressive driving and racing conditions, which is particularly important when you're pushing your RC car to its limits on the track or in off-road terrain. These are not just generic fasteners—they are engineered specifically for Helion RC vehicles, ensuring perfect compatibility and fit every time you need to replace a worn or damaged locknut.

Whether you're a seasoned RC competitor fine-tuning your race setup, a weekend basher who puts their RC short course truck through challenging conditions, or a dedicated hobbyist who maintains their collection to the highest standards, having a supply of genuine replacement locknuts on hand is part of responsible RC ownership. The M3x0.5mm specification is a standard fastening size used throughout RC vehicle construction, making this pack a valuable addition to any RC enthusiast's spare parts collection.

Key Features

• M3x0.5mm Thread Specification — These locknuts feature the precise M3x0.5mm metric thread size that ensures they fit perfectly into Helion RC vehicles and other compatible models, eliminating the risk of cross-threading or loose fastening that could compromise vehicle performance or safety during operation.
• Flanged Design — The flanged construction provides a wider bearing surface against the component being fastened, distributing pressure more evenly and preventing fasteners from pulling through softer materials commonly found in RC vehicle construction, resulting in more secure and reliable assemblies.
• Serrated Locking Feature — The serrated surface texture creates mechanical resistance against vibration-induced loosening, which is critical in RC vehicles where constant vibration from motors, impacts and rough terrain can cause standard fasteners to gradually work loose over time and eventually fail.
• Pack of Ten Units — This generous quantity means you'll have multiple replacement fasteners available for different repair and maintenance scenarios, from replacing a single damaged locknut to upgrading multiple assembly points or stocking your RC workshop with spares for future builds.
• Genuine Helion Component — These are authentic Helion factory parts engineered to exact specifications, guaranteeing compatibility and performance that aftermarket or generic alternatives simply cannot match, and ensuring your RC car maintains factory-standard reliability and longevity.
• Compatible with Four 10SC — Specifically designed for use with the Helion Four 10SC short course truck platform, though the M3x0.5mm specification makes these suitable for numerous other RC vehicles and general RC applications requiring this fastener size.

Technical Performance

The M3x0.5mm Flanged Serrated Locknuts represent precision engineering at the fastener level, demonstrating Helion's commitment to quality across every component of their RC vehicle ecosystem. The M3 designation refers to a 3-millimetre metric thread diameter, with the 0.5mm specification indicating the pitch or distance between thread peaks—this is a standard metric fine thread specification widely used throughout RC vehicle construction where precision and reliability are paramount. The flanged design creates a large washer-like surface that distributes clamping force over a broader area, which is particularly important in RC applications where vibration, impact forces, and rapid acceleration and deceleration cycles place enormous stress on fasteners. The serrated locking mechanism works by creating microscopic resistance between the fastener and the threaded hole, mechanically resisting the rotational forces that would otherwise cause vibration to gradually unwind a standard locknut. This engineering approach is far superior to nylon insert lock nuts in high-vibration RC applications because the mechanical resistance doesn't degrade over time like nylon does. The pack of ten provides excellent value and ensures you'll always have spares on hand for maintenance, repairs, or complete rebuilds of your RC short course truck or other compatible vehicles. These locknuts are manufactured to Helion's rigorous quality standards and have been tested extensively in the demanding environment of competitive and recreational RC racing.

What's in the Box

• Helion M3x0.5mm Flanged Serrated Locknuts — 10 units

Frequently Asked Questions

• What exactly are serrated locknuts and why do RC cars need them? — Serrated locknuts feature a textured, ridged surface on the base of the nut that creates mechanical resistance against vibration. In RC vehicles, the constant vibration from brushless motors, high-speed impacts with terrain, and rapid direction changes cause standard fasteners to gradually loosen over time. Serrated locknuts solve this problem by using the microscopic interference between the serrated surface and the threaded hole to resist this loosening, keeping your RC car's components securely assembled and preventing component failure during operation. This is particularly important in short course trucks and other high-performance RC vehicles where reliability is essential.
• Are these locknuts compatible with my RC car? — These Helion M3x0.5mm Flanged Serrated Locknuts are specifically designed for Helion RC vehicles, particularly the Four 10SC short course truck platform. However, because M3x0.5mm is a standard metric thread specification, these fasteners may be compatible with other RC brands and scales that use the same thread size. We recommend checking your vehicle's manual or contacting our expert team to confirm compatibility with your specific RC model before purchasing.
• How many locknuts do I actually need? — This pack contains ten locknuts, which is an excellent quantity for RC maintenance and repairs. A typical RC vehicle uses multiple M3 fasteners throughout its construction, so having ten spares means you can repair several issues without needing to reorder, or build complete sub-assemblies. If you're setting up a new RC car or doing a major rebuild, you might want multiple packs depending on your vehicle's design.
• What's the difference between flanged and non-flanged locknuts? — Flanged locknuts feature a wider, washer-like base that distributes clamping force over a much larger area compared to standard locknuts. This design prevents fasteners from pulling through or damaging softer materials, provides better vibration resistance due to increased contact surface, and creates more secure assemblies that are less likely to fail under the stresses of RC vehicle operation. For precision RC applications, flanged locknuts are generally superior to non-flanged alternatives.
• Can I reuse these locknuts multiple times? — Yes, these locknuts can typically be reused multiple times provided they are not damaged. However, each time a locknut is removed and reinstalled, there is some degree of wear on both the serrated locking surface and the internal thread. If you notice a locknut is difficult to remove, damaged, or no longer holding securely, it should be replaced. The generous pack of ten ensures you'll have replacements available whenever needed.
• Are these suitable for beginners? — Yes, absolutely. These are replacement fasteners suitable for any RC enthusiast performing maintenance or repairs on their Helion vehicles. Beginners who are learning to maintain and repair their RC cars UK models will find these locknuts easy to install and remove with basic tools. They represent the kind of genuine spare parts that responsible RC owners keep on hand for ongoing maintenance and repairs.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Helion - M3x0.5mm Nut HLNS1168 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.