4mm Washers, flat
$1.45
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4mm Washers, flat
$1.45
Dual Styles
Flat and split options
Vibration Lock
Prevents screws backing out
Surface Shield
Protects soft building materials
In Stock
Hardware EssentialsReliable fastening for RC models
Ensure every critical screw on your model stays firmly in place with high-quality Dubro Washers. Designed for demanding RC vehicle maintenance, these hardware components offer dependable support against vibration and surface wear. Utilize flat and split styles to keep your assemblies secure during high-impact operation.
Precision Fastening SecurityEngine grade hardware built for hobbyists
Whether you are assembling a heavy-duty RC airplane engine mount or securing chassis components on an off-road RC car, Dubro Washers provide the structural integrity required for high-stress applications. The flat washers act as perfect spacers while distributing screw head pressure to prevent damage to soft materials like balsa wood, plastic, or composite plates. Meanwhile, the split lock washers maintain continuous spring tension on hardware assemblies, ensuring that motor vibration or rough terrain will not cause critical fasteners to back out. Add these durable Dubro fasteners to your workshop toolkit for professional-grade results on every build.
Hardware SpecificationsTechnical details and fitting compatibility
Compatible Vehicles
Universal RC Cars, Planes, Boats & Drones
Part Type
Washers / Fasteners
Material
Corrosion-Resistant Metal Alloy
Placement/Position
Universal Hardware Locations
Dimensions
Standard Hobby Fastener Sizing
Weight
Ultra Lightweight
Key Fastener FeaturesDesigned for maximum holding power
Flat Washer FunctionDistributes surface load and serves as an ideal spacer
Split Washer FunctionPrevents hardware loosening caused by vibration
Material ProtectionStops screw heads from pulling through soft surfaces
Universal FitCompatible with a wide range of RC model hardware
High DurabilityLong-lasting metal construction built for high stress
Frequently Asked QuestionsEverything you need to know
What are the main uses for Dubro Washers in RC models?
Dubro Washers are used as spacers, load distributors, and vibration-resistant locking hardware across various radio control models.
How do split Dubro Washers prevent screws from coming loose?
The split design applies continuous spring tension against the screw head, keeping it firmly locked against engine and chassis vibrations.
Are Dubro Washers suitable for soft materials like balsa wood or plastic?
Yes, flat Dubro Washers spread the clamping pressure over a larger surface area, preventing screw heads from sinking into or damaging soft materials.