Surpass Hobby BAT B3220 420KV 666KV 720KV Brushless Motor for 8-10 Inch FPV Drones

OverviewThe Surpass Hobby BAT B3220 brushless motor is designed for 8-10 inch FPV drones. It is available in 420KV, 666KV, and 720KV versions, with an M5 shaft for propeller mounting. The detachable motor structure allows access for cleaning, while the vented front cover supports heat dissipation.Key Features Available KV ratings: 420KV, 666KV, and 720KV. M5 threaded shaft with a custom nut. 14-pole rotor with 48SH NdFeB magnets. High-precision bearing construction. 220 C high-temperature multi-strand copper windings. 0.2 mm silicon steel laminations. Detachable housing for cleaning and maintenance. Specifications Model BAT B3220 Motor size Dia. 39 x 56 mm Stator size Dia. 32.5 x 20 mm Rotor poles 14 Shaft M5 Weight 176 g Performance by KV Version KV Max Power Max Current Max Thrust Internal Resistance No-load Current 420KV 2638.3 W 53.18 A 6217 g 0.076 ohm 0.6 A 666KV 2596.6 W 80.24 A 5960 g 0.037 ohm 1.3 A 720KV 2291.7 W 70.45 A 4990 g 0.035 ohm 1.4 A Choose from 1PCS or 4PCS quantity options. For product selection assistance, contact customer service at https://rcdrone.top/.Details Built for 8–10 inch FPV drone setups, the BAT B3220 is available in 420KV, 666KV, and 720KV options. The 420KV version is rated for up to 6217 g of thrust, while 666KV and 720KV versions reach up to 5960 g and 4990 g. An M5 threaded shaft supports propeller mounting, and the custom nut helps protect the steel shaft threads. A detachable structure provides access for cleaning, while the vented front cover supports heat dissipation.