- Manufacturer: Axial
- Part Number: Z-AX31250
- EAN: 816874014391
- Pack Contents: 10 nuts
- Nut Size: M4
- Colour: Black
- Nut Type: Serrated and Locking Flanged
- Material: Black coated steel
- Thread Size: M4
- Compatible Wheels: Plastic and aluminium
- Compatible Vehicles: Axial SCX10 III series including Pro-Line 1982 Chevy K10 RTR, Base Camp 4X4, Coyote 4X4, 1987 Toyota SR5 4X4, Base Camp Builders Kit, Jeep JT Gladiator with Portals, Early Ford Bronco, Jeep CJ-7, and SCX10 III 4WD Rock Crawler Builders Kit
- Feature: One-way machined serrated flange
- Feature: Precision hex head for best fit
- Feature: Nylon locking mechanism
- Feature: Vibration resistance
- Feature: Prevents wheel loosening on trail
Overview
The Axial M4 Serrated Nylon Lock Nut is an essential upgrade for any RC crawler or rock crawler enthusiast in the UK. These precision-engineered fasteners are specifically designed to solve one of the most frustrating problems that can occur during off-road RC adventures: loose wheel nuts that can leave you stranded on the trail. Whether you're bashing through woodland, tackling rocky terrain, or pushing your RC car to its limits, these lock nuts provide the security and peace of mind you need to enjoy uninterrupted trail time. Part number Z-AX31250 comes as a pack of 10 black M4 nuts, making them an affordable and practical upgrade for any scale RC vehicle in your collection.
These nuts are manufactured by Axial, a recognised brand in the RC hobby community, and are particularly popular among SCX10 III series owners and enthusiasts of 1/10 scale RC crawlers. The serrated flange design is engineered specifically to bite into wheel materials, preventing rotation and vibration-induced loosening that is common during high-impact terrain driving. This is a genuine problem that RC drivers face, and having a reliable solution keeps your vehicle operational and safe throughout the day's adventures. The black colour complements modern RC aesthetics whilst the durable construction ensures longevity through countless trail sessions.
For UK RC enthusiasts seeking reliable, genuine Axial spare parts that deliver real performance benefits, these serrated nylon lock nuts represent excellent value. They're compatible with a wide range of Axial SCX10 III variants and builder kits, making them a versatile addition to your spares collection. Whether you're a seasoned competitor, a weekend basher enjoying the British countryside, or someone discovering the world of RC crawling for the first time, having a pack of quality lock nuts in your toolbox is simply good maintenance practice.
Key Features
- M4 Serrated Flange Design — The one-way machined serrated flange is the critical innovation that prevents wheel loosening during trail use by gripping the wheel surface, which is particularly important when driving over rough British terrain where vibration and impact forces are constant challenges.
- Precision Hex Head — The precision-manufactured hex head provides the best possible fit with standard RC wheel hubs and axle nuts, helping prevent cross-threading and stripping that can occur with poorly-fitting fasteners and rendering wheels unusable.
- Nylon Locking Mechanism — The integrated nylon locking feature provides additional vibration resistance beyond the serrated flange alone, combining two anti-loosening technologies into a single fastener for maximum security on demanding terrain.
- Durable Black Coated Steel Construction — Made from robust black coated steel rather than cheaper alternatives, these nuts resist corrosion from mud, water and salt exposure common in UK outdoor RC driving conditions, and the black coating provides a professional appearance.
- Pack of 10 Units — Each pack contains 10 individual nuts, providing enough replacements to equip multiple vehicles or keep spares ready for maintenance sessions, ensuring you're never caught short on the trail.
- Universal Compatibility — These M4 nuts work with both plastic and aluminium wheels without damage or compatibility issues, making them suitable for a wide variety of RC crawler platforms and wheel configurations.
- Vibration Resistance — The combination of serrated flange and nylon locking creates a dual-protection system that resists loosening caused by continuous vibration and impact, which is especially important during extended driving sessions.
Technical Performance
The Axial M4 Serrated Nylon Lock Nut Z-AX31250 represents precision engineering focused on solving a real-world problem in RC crawler maintenance. These are manufactured to exact specifications by Axial, a brand known for rigorous quality control in the RC spare parts industry. The M4 thread size is the standard fastening specification for most 1/10 scale RC crawler wheel hubs, particularly throughout the popular SCX10 III range. The serrated flange mechanism is precision-machined to create the proper grip texture that bites into wheel material without causing damage to either plastic or aluminium wheels—a critical balance that many inferior aftermarket nuts fail to achieve. The black coating applied to the steel provides protection against corrosion and rust that would otherwise compromise the structural integrity of the fastener, particularly important given the wet and muddy conditions typical of UK off-road RC driving. The nylon insert locking technology functions independently of the serrated flange, meaning even if the flange becomes worn over extended use, the nylon element continues providing vibration resistance. Together, these engineering features create a fastening solution that has proven reliable across thousands of trail miles in the hands of dedicated RC crawling enthusiasts worldwide. The precision hex head eliminates the common problem of stripped fasteners, as proper fit reduces the chance of the wrench or hex key slipping during installation or removal, preserving the structural integrity of the fastener through multiple uses.
What's in the Box
- 10x M4 Serrated Nylon Lock Nut (Black)
Frequently Asked Questions
- Will these lock nuts work on my RC crawler if I have plastic wheels? — Yes, these nuts are specifically engineered to work with both plastic and aluminium wheels without causing damage, making them universally compatible regardless of your wheel material choice.
- Why do my wheel nuts keep coming loose during trail driving? — Vibration and impact forces from rough terrain cause standard nuts to gradually unscrew over time, which is why these serrated lock nuts are specifically designed to prevent this common problem through the biting action of the serrated flange and the vibration resistance of the nylon insert.
- Are these genuine Axial parts? — Yes, the Z-AX31250 is an official Axial product with full specifications and compatibility information, ensuring you're getting genuine components rather than inferior third-party alternatives.
- What size thread are these nuts? — These are M4 thread nuts, which is the standard specification for most 1/10 scale RC crawler wheel hubs, particularly compatible with the extensive Axial SCX10 III range.
- How many nuts do I get in the pack? — Each pack contains 10 individual M4 serrated nylon lock nuts, providing sufficient quantity for multiple vehicles or to keep spares for maintenance and replacement.
- Will these work with both plastic and aluminium wheels? — Yes, the serrated flange design is engineered to work safely with both wheel material types without causing damage or compatibility issues.
- Can I use these nuts multiple times or are they single-use? — These are durable fasteners designed for repeated use through multiple installation and removal cycles, making them economical over time.
- What makes these better than standard wheel nuts? — The combination of the serrated flange that bites into the wheel surface and the nylon locking insert provides dual vibration resistance, whereas standard nuts rely on friction alone and are much more prone to loosening during trail driving.
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 AXIAL Serrated Nylon Lock Nut Black 4mm (10) Z-AX31250 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.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
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