How to choose your first RC aircraft
A practical path for new pilots: Trainer, Glider, Warbird, 3D, EDF Jet, ARF, PNP, RTF, power system, radio gear and what to verify before buying.
This is a fasteners, nuts & bolts item from DU-BRO. The information below is limited to fields found in the supplier or manufacturer record, so customers can check fit before contacting RC-MODEL.
DU-BRO Steel Hex Nuts (Standard) are essential fastening components for anyone building, repairing, or upgrading radio-controlled models. These high-quality steel nuts provide a secure hold for bolts, screws, landing gear, control horns, engine mounts, and countless other applications across RC airplanes, cars, boats, drones, and robotics projects. If you want hardware you can trust to stay tight and strong, DU-BRO Standard Steel Hex Nuts are a perfect choice. Each nut is made from durable, cor...
Compare the listed dimensions, material, pack quantity, connectors or operating data with your model and existing system. If a critical field is missing, include the reference in your enquiry so RC-MODEL can confirm it with the supplier before an order is approved.
Image source: Manufacturer or source-catalog image.
Reference SKU/model: 561.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A practical path for new pilots: Trainer, Glider, Warbird, 3D, EDF Jet, ARF, PNP, RTF, power system, radio gear and what to verify before buying.
The complete starter list: aircraft, transmitter, receiver, batteries, charger, servos, adhesives, tools, voltage meter and field essentials.
A simple glossary for new pilots covering the terms they meet on product pages, manuals and setup conversations.
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
A practical Israeli customer guide for sending models for inspection, diagnosing damage, ordering parts and deciding what can be repaired.
| Technical Specifications | |
| Brand | DU-BRO |
| Supplier Section | DU-BRO PRODUCTS |
| Size | 4, 40 |
| UPC | 0-11859-00561-0 |
| Shipping Unit | 6 Packages |
| Pack Quantity | 4 pcs per package |
| Product Type | DU-BRO Steel Hex Nuts (Standard) – Strong, Reliable Hardware for RC Models |
Tags: DU-BRO, 561 - 4-40 Steel Hex Nuts (4 pcs per package), RC Hardware & Building Supplies, DU-BRO RC Hardware, Fasteners, Nuts & Bolts
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