Du-Bro DUB135 - 4-40 Blind Nuts
$1.85
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In Stock
Du-Bro DUB135 - 4-40 Blind Nuts
$1.85
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
4-40 Thread
Standard RC Hardware Size
Zinc Plated
Corrosion Resistant Metal Finish
Flush Mounting
Ideal for Hard Places
Secure Mounting HardwareReliable Fasteners for Difficult Locations
The DuBro 4-40 Blind Nuts provide a permanent and secure thread anchor designed for hard-to-reach areas in your RC aircraft and model builds. Featuring a durable zinc-plated finish, these fasteners deliver maximum corrosion resistance and strength when securing high-stress components.
Heavy-Duty Mounting PerformancePermanent Mounting Anchors for Models
When constructing model airplanes or boats, securing hardware in cramped fuselages can be a challenge. The DuBro 4-40 Blind Nuts solve this issue by offering a permanent internal thread anchor for mounting engine firewall setups, main landing gear, cowls, and hatches. Designed with sharp prongs that bite firmly into wood or composite surfaces, these RC hardware nuts prevent spinning during bolt installation. Ideal for custom RC plane builds, this essential DuBro blind nut set keeps critical hardware firmly locked in place despite heavy engine vibration and flight loads.
Hardware SpecificationsTechnical Details and Thread Size
Compatible Vehicles
Universal RC Airplanes & Boats
Part Type
Hardware & Fasteners
Material
Zinc-Plated Steel
Placement/Position
Engine Mounts, Landing Gear, Cowls
Thread Size
4-40
Key Fastener FeaturesDesigned for Secure RC Assembly
Thread SizeStandard 4-40 pitch
FinishCorrosion-resistant zinc plating
Mounting StylePermanent flush mount design
ApplicationPerfect for engine mounts and landing gear
AccessibilityIdeal for hard-to-reach internal structures
SecurityIntegrated prongs bite into wood to prevent spinning
Frequently Asked QuestionsEverything you need to know
What are DuBro 4-40 Blind Nuts used for in RC modeling?
DuBro 4-40 Blind Nuts are used to create permanent, strong threaded mounting points for engine mounts, landing gear, cowls, and hatches in hard-to-reach areas.
How do you install DuBro 4-40 Blind Nuts into wood?
Drill a hole matching the outer barrel of the DuBro 4-40 Blind Nut, insert the threaded barrel from the back, and tighten a bolt from the front to pull the locking prongs securely into the wood.
Are DuBro 4-40 Blind Nuts resistant to glow fuel and corrosion?
Yes, DuBro 4-40 Blind Nuts are zinc-plated to resist corrosion and damage from exposure to moisture and model fuels.
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