Overview
The Fastrax M4 Shim Washer (6) Blue FAST145 is an essential spare parts component for RC enthusiasts and hobbyists across the UK who demand precision engineering in their remote control vehicles. These shim washers are critical fastening components that help maintain proper alignment, reduce play, and ensure optimal performance in various RC applications. Whether you're upgrading your RC car UK setup, maintaining a crawler, or fine-tuning your off-road buggy, having a reliable supply of quality shim washers is fundamental to keeping your model running smoothly and reliably.
Manufactured by Fastrax, a recognised brand in the RC hobby community, these M4 shim washers are engineered to exacting standards and deliver the precision fit that competitive builders and casual enthusiasts alike depend upon. The set contains six individual washers, providing you with multiple options for configuration and replacement as needed. These blue-coloured washers are not just functional components; they are a testament to the attention to detail that separates well-maintained RC models from those that suffer from component wear and misalignment.
For anyone serious about maintaining their RC model truck, buggy, or crawler in top condition, the Fastrax M4 Shim Washer set represents an affordable investment in reliability and longevity. RC enthusiasts in the UK know that proper fastening and alignment can make the difference between smooth handling and problematic performance, making these essential spares a must-have for any toolbox or spares collection.
Key Features
- M4 Thread Size — These washers are specifically designed to fit M4 bolts and fasteners, ensuring proper sizing and compatibility across a wide range of RC applications and component types. Correct sizing is essential to prevent stripped threads and improper fastening.
- Pack of Six Washers — With six individual washers included in each pack, you receive multiple options for building, tuning, and replacing worn components across different areas of your RC model. This quantity allows for experimentation with different shim configurations to achieve optimal alignment.
- Blue Colour Specification — The distinctive blue colour makes these washers easy to identify and locate during building and maintenance sessions, helping you stay organised and maintain consistency across your RC model setup.
- Precision Engineering — Fastrax components are manufactured to exacting tolerances, ensuring that these shim washers perform reliably and maintain proper spacing and alignment in critical areas of your RC vehicle.
- Versatile Application — These shim washers are compatible with numerous RC platform types and configurations, making them an essential generic spare that every RC builder should have available for upgrades, maintenance, and repairs.
Technical Performance
The Fastrax M4 Shim Washer represents professional-grade fastening solution engineering designed to meet the demanding requirements of precision RC model building and maintenance. M4 specification means these washers are engineered to work with standard metric M4 fasteners commonly found across suspension components, drivetrain assemblies, and chassis connections in modern RC cars and trucks. The washers are manufactured to tight tolerances, ensuring that when properly installed, they provide consistent spacing and help eliminate play between connected components. In RC applications, proper shimming is critical because it allows builders to fine-tune suspension geometry, adjust gear mesh spacing, and maintain proper alignment of rotating components—all factors that directly impact handling characteristics, wear rates, and overall performance. The blue colour finish not only aids visual identification but also indicates these are genuine Fastrax components manufactured to the brand's quality standards. Whether you're building a high-performance ready to run RC model or maintaining an existing vehicle, having access to quality shim washers in the correct size and specification is essential for achieving and maintaining optimal mechanical performance.
What's in the Box
- Six Fastrax M4 Shim Washers in blue
Frequently Asked Questions
- What are shim washers used for in RC cars and trucks? — Shim washers are thin spacer components used to adjust alignment and eliminate play between connected parts in RC vehicles. They're commonly used in suspension systems to fine-tune geometry, in drivetrain assemblies to set proper gear mesh spacing, and throughout the chassis to maintain precision alignment. Using the correct shim washers helps improve handling, reduce component wear, and ensure your RC model performs at its best.
- Are these washers suitable for beginners? — Yes, these Fastrax M4 Shim Washers are suitable for anyone working on RC vehicles, from complete beginners to experienced competitors. Having a supply of quality shim washers is actually recommended for beginners as they provide an affordable way to experiment with setup adjustments and learn how different spacings affect vehicle performance.
- What RC models are these washers compatible with? — M4 shim washers are used across numerous RC platform types and scales, including crawlers, buggies, trucks, and other off-road RC vehicles. Fastrax components are widely compatible with many popular RC brands and platforms, though you should verify that M4 fasteners are specified in your particular model's documentation before purchasing.
- How many washers do I need? — The pack of six provides multiple options for configuration and replacement. The number you'll need depends on your specific application—some builds might use just one or two for a particular adjustment, whilst others might use several across different areas of the vehicle. Having a spare pack ensures you're never left without these essential components during maintenance or upgrades.
- Is this an original Fastrax product? — Yes, the Fastrax M4 Shim Washer FAST145 is a genuine Fastrax component, a recognised manufacturer of quality RC spare parts and accessories. When purchased from authorised retailers like RC Model Shop, you can be confident you're receiving authentic, properly engineered components.
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 Fastrax M4 Shim Washer (6) Blue FAST145 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.
- Brand: Fastrax
- Model Number: FAST145
- Product Type: M4 Shim Washer
- Fastener Size: M4
- Colour: Blue
- Quantity: 6 washers
- EAN: 5055323901379
- Availability: In Stock
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
