Du-Bro Socket Head Bolts with Nuts, 4-40 x 1" (DUB178)
$3.55
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In Stock
Du-Bro Socket Head Bolts with Nuts, 4-40 x 1" (DUB178)
$3.55
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
Aircraft Grade
Top tier quality fasteners
High-Strength Steel
Durable and vibration resistant
Complete Set
Includes bolts washers nuts
Essential FastenersPrecision aircraft quality hardware kit
Upgrade your model builds with the premium 4-40 x 1" Socket Head Bolt Set. Engineered from high-strength steel, these aircraft-quality fasteners ensure maximum reliability and holding power for critical RC aircraft and vehicle components.
Heavy-Duty Mounting HardwareUnmatched durability for demanding applications
The 4-40 x 1" Socket Head Bolt Set provides top-tier durability and performance for RC airplane, helicopter, and car builders. Crafted from high-strength alloy steel, this 12-piece hardware pack includes four socket head cap screws, four flat washers, and four lock nuts. Whether securing engine mounts, landing gear, or high-vibration structural joints, this aircraft quality hardware resists stripping and provides dependable fastening under severe operating conditions.
Hardware SpecificationsDetailed measurements and kit specs
Compatible Vehicles
Universal RC Aircraft & Vehicles
Part Type
Hardware Fasteners
Material
High-Strength Steel
Placement/Position
Engine Mounts, Airframes, Structural Joints
Thread Size
4-40 UNC
Length
1.0 inch
Dimensions
4-40 x 1"
Weight
0.05 lbs
Key FeaturesBuilt for high stress and vibration
Aircraft QualityManufactured from premium high-strength steel
Complete KitIncludes 4 bolts, 4 flat washers, and 4 lock nuts
Thread SpecsStandard 4-40 thread with 1 inch overall length
Secure FasteningIncluded lock nuts prevent backing out under vibration
Drive StyleSocket head cap design for positive hex tool engagement
Universal ApplicationPerfect for RC planes, firewalls, and heavy-duty builds
Frequently Asked QuestionsEverything you need to know
What is included in the 4-40 x 1" Socket Head Bolt Set?
The 4-40 x 1" Socket Head Bolt Set includes four socket head bolts, four flat washers, and four lock nuts, giving you a total of 12 high-quality pieces.
What material is used in the 4-40 x 1" Socket Head Bolt Set?
The 4-40 x 1" Socket Head Bolt Set is manufactured from aircraft-quality, high-strength steel designed to resist stripping and withstand heavy vibration.
What tools are needed to install the 4-40 x 1" Socket Head Bolt Set?
You will need a standard hex driver (Allen wrench) for the socket head bolt and a small hex driver or nut driver to secure the matching 4-40 lock nuts.
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