10PCS GT2 20 Teeth 5mm Bore Pulley,Synchronous Wheel Pulley for 2GT Timing Belt 6mm Width 3D Printer Aluminum Black with M3 Wrench (5MM Bore)

【Model】20 Teeth, hole diameter: 5mm, 2GT timing belt pulley, suitable for 6MM timing belt, 20 teeth design, minimize the risk of belt slippage
【7075 aviation aluminum manufacturing】High hardness, anodized surface, effective waterproof and rust prevention, high finish, longer service life, corrosion resistance, more beautiful and durable
【High Precision】Made with precision molds, the error is within 0.01MM, and it is highly consistent. Please choose the appropriate size before purchasing
【Stable Performance】Low friction, higher speed, not easy to get hot, smooth transmission, buffering, shock absorption, low noise, GT2 timing pulley system is especially suitable for linear motion and positioning
【Wide application】3D printer, milling machine, gear shaper, drilling machine, CNC engine lathe, gear hobbing machine or other mechanical transmission occasions