5Pcs 8Mm To 12Mm Bore Rigid Brass Shaft Coupling Set With Screws And Wrench, Heavy Duty Motor Coupler For 3D Printers, Encoders, RC Cars, Robots, And Diy Projects

Brass Shaft Coupler Set, 8-12 mm Bore, Heavy Duty 5-Pack
✔️ 8-12 mm bore, 20 mm OD, 22 mm height; 5-pack brass couplers

This set of 5 brass rigid shaft couplers connects motors and shafts with an 8-12 mm bore. Made from brass for durability and rust resistance, these high-torque couplers provide precise alignment in 3D printers, encoders, RC cars, robots, model boats, CNC projects, and other DIY builds.

✅ Material: brass, rust resistant for long-lasting use
✅ Bore connection: 8mm to 12mm
✅ Outer diameter: 20 mm (0.787"), height: 22 mm (0.86")
✅ Top-tight rigid design provides high torque and low inertia
✅ No rotation gap with elastic action for precise alignment
✅ Includes 5Pcs Brass Shaft Couplers, 20Pcs grub screws, 1pcs wrench

💡 What is a brass shaft coupling used for in precision motion systems? They provide a rigid, low-backlash link between drive and driven shafts to transfer torque reliably while maintaining alignment.

• High-torque transmission between motors and shafts with 8-12 mm bore
• Maintains precise alignment with minimal backlash
• Brass construction offers rust resistance and durability
• Suitable for encoders, 3D printers, RC models, and robotics

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