Double Pass Brass Universal Adapter Coupling 2mm x 2mm

Brass 2mm to 2mm Adapter for DC Motor Coupling

The dc motor coupling used in this 2mm to 2mm brass adapter provides a strong and stable link between two aligned shafts. Its rigid build ensures efficient torque transfer, making it compatible with compact builds where a stepper motor shaft coupler or compact coupling shaft motor alternative is required. Because of its strong brass construction, the dc motor coupling delivers excellent strength and rotational stability in high-precision projects.

This adapter also supports reliable rotation for hobby motors, robotics systems, and DIY mechanisms. Its tight M3 fasteners help lock both shaft ends securely, and the smooth finish keeps the dc motor coupling resistant to corrosion. Whether you're assembling small CNC linkages or mini drive systems, this brass part offers a dependable option where a compact stepper motor shaft coupler is needed. Overall, the dc motor coupling design keeps alignment consistent while ensuring smooth rotation.

Technical Details

• Material: Brass
• Coupling Size: 2mm to 2mm
• Body Length: 20 mm
• Outer Diameter: 9 mm
• Fastening Type: M3 Set Screws (4 pcs)
• Torque Transfer: High (rigid coupling)
• Weight: 8g
• Color: Gold

Features

• High-torque rigid shaft connection
• Durable, corrosion-resistant brass construction
• Secure locking using four M3 grub screws
• Ideal for precision robotics and mini CNC systems
• Perfect fit for 2mm motor shafts

Applications

• RC model motors (aircraft, boats, cars)
• Robotics and automation setups
• Miniature transmission assemblies
• Model propeller shafts and drive systems
• DIY mechanical and CNC projects

Physical Attributes

• Overall Length: 20 mm
• Outer Diameter: 9 mm
• Shaft Bore Diameter: 2 mm (both ends)
• Set Screw Size: M3
• Number of Set Screws: 4 pcs
• Weight: 8g

Package Includes

• 1 × 2mm to 2mm Brass Rigid Shaft Coupler
• 4 × M3 Screws