12mm Hex Wheel Hub Adaptor 4mm Bore (Pair) - Type 2 – MakerBotics

12mm Hex Wheel Hub Adaptor 4mm Bore (Pair) - Type 2 – MakerBotics - Image 2

12mm Hex Wheel Hub Adaptor 4mm Bore (Pair) – Type 2 – MakerBotics

Name: 12mm Hex Wheel Hub Adaptor 4mm Bore (Pair) - Type 2 – MakerBotics
SKU: MB-WHL-HUB-L24
Price: 7.30 AUD
Availability: InStock

$7.30 Inc. GST

This nickel-plated brass coupling converts a 4mm motor shaft into a 12mm hex profile, providing a 24mm overall length for chassis-to-wheel clearance. It mounts directly onto the shaft via an M4 cap head screw to eliminate rotational slippage under high torque loads. Typical applications include mobile robotics, automated systems, and small-scale utility vehicles where drive configurations interface with 12mm hex hub wheels. The component pairs with 180RPM 25mm geared DC motors to establish a direct mechanical connection with 120mm robot wheels.

In stock

LCN: D-12-S SKU: MB-WHL-HUB-L24 Categories: Couplings & Collars, MakerBotics Tags: 12mm, 12mm hex hub, 12mm hex wheel adaptor, coupling, hex, makerbotics

Description
Additional information

Description

Technical Overview

Machinists and builders actively select these nickel-plated brass 12mm Hex Wheel Hub adapters to transform mechanical assemblies. Specifically, this component converts a standard 4mm cylindrical motor shaft into a 12mm hexagonal profile. Furthermore, these robust adapters feature an overall total length of 24mm. Because of this layout, the hardware successfully accommodates a majority of custom wheel-motor configurations. In addition, this physical configuration ensures proper, reliable spacing between the vehicle chassis and the wheel assemblies. To secure the connection, each individual coupling utilizes an M4 cap head screw. Consequently, this screw clamps the adapter directly onto the rotating motor shaft. As a direct result, this mechanical design completely prevents rotational slippage under high torque loads. Therefore, the system maintains perfect mechanical alignment throughout intense machine operation.

Applications

Engineers widely integrate these 12mm Hex Wheel Hub Adapter couplings into diverse mobile robotics platforms. For instance, teams frequently deploy them within custom automated systems and small-scale utility vehicles. In addition, these specialized components allow standard drive assemblies to interface directly with RC-style wheels. This mechanical connection works perfectly because the wheels feature a standard 12mm hex hub receptacle. Moreover, the hubs perfectly complement 180RPM 25mm Geared DC Motors to guarantee optimal compatibility. Accordingly, they serve as a highly practical connection method for 120mm robot wheels. Ultimately, this structural versatility allows developers to construct fully autonomous wheel configurations with minimal hardware modification.

Maker Store Tips and Tricks

Align the M4 cap head screws precisely with the flat section of the motor shaft to prevent shaft slipping during operation.
Apply a small amount of medium-strength thread-locking compound to the mounting screws to prevent loosening caused by continuous reversing or vibration.