10 Pcs Copper Spur Gear Set With 8 Teeth Module 0.4M 4mm Diameter 3mm Thick Pinion Shaft Gear For Spindle 1mm Hole Tight Fit And 2mm Hole Options Ideal For Aircraft Models And Industrial Bearings And Gears

10-Piece Copper Spur Gear Set: 8 Teeth, 0.4M Dia
✔️ 10 pcs pack; 0.4M module, 8 teeth, 4mm dia, 3mm thick

This compact copper spur gear set features 8-tooth gears designed for small spindles, hobby aircraft models, and light industrial gear trains. The copper alloy offers solid wear resistance and tight engagement for dependable performance in compact drive systems.

✅ Module: 0.4M
✅ Teeth: 8
✅ Hole: 1mm (≈0.97mm) tight fit
✅ Diameter: 4mm
✅ Height: 3mm
✅ Pack: 10 pcs in set
✅ Material: copper spur gear alloy

💡 What is a copper spur gear set commonly used for in small drive systems? This handy gear option helps you build compact, precise drives for model planes, hobby robots, and small CNC rigs.

• Compact drive components for model aircraft and small robots
• 8-tooth spur gears with 0.4M module for tight, accurate engagement
• Works with 1mm and 2mm bore options for shafts
• Compatible with sealed ball bearings and standard spindle setups