Beef Up Your RC Drones With 50Pcs M2 X 20mm Aluminum Knurled Spacer Standoff Set For FPV Quadcopters Black 4mm OD Round Coupling Nut Bolt Sleeve Fasteners For DIY Quadcopter Frame Upgrades

M2 x 20mm Aluminum Knurled Spacer Standoff Pack 50
✔️ 50 pcs, M2 thread, 4mm dia, 20mm long, black aluminum

These knurled aluminum spacers are lightweight upgrade parts for RC drones, FPV quads, DIY models, and multi-rotor frames. They feature a 2mm (M2) thread, 4 mm outer diameter (0.16 in) and 20 mm length (0.79 in), making frame spacing easy without adding much weight. Ideal for racing drones and other DIY quadcopter builds requiring strong, lightweight spacers.

✅ Material: Aluminum Alloy, black anodized
✅ Thread diameter: 2 mm (M2)
✅ Outer diameter: 4 mm (0.16 in), length 20 mm (0.79 in)
✅ Weight: ~1 g each
✅ Package: 50 pieces
✅ Applications: RC drones, FPV quads, DIY frame upgrades

💡 What is an M2 knurled spacer used for in RC drones? A handy guide to how these spacers help your builds: - space components between frame plates for stable alignment - reduce vibration and weight while keeping strength in FPV drones - compatible with standard M2 hardware across drone frames - easy to install with common tools