This high-performance KST micro servos collection
Experience the perfect blend of precision, power, and durability with this pair of high-quality micro servos from KST. Designed for hobbyists and professionals alike, these compact yet robust servos are ideal for remote-controlled helicopters, cars, and airplanes. The X12-508 HV features a coreless DC motor, providing impressive torque up to 6.2 kgf·cm and rapid response times as fast as 0.07 sec/60°, ensuring excellent control. The X12-708 brushless micro servo offers even more power with a torque of up to 9.3 kgf·cm, making it suitable for demanding applications. Their lightweight aluminum alloy cases, measuring 23mm x 12mm x 27.5mm and weighing around 20 grams, guarantee both strength and agility. These servos include programmable soft start, hardened steel gears, and are compatible with a wide range of RC models. Trust this duo to elevate your project’s precision and reliability.
Keys features of this KST micro servo pair
- Both servos feature durable aluminum alloy cases measuring 23mm x 12mm x 27.5mm, providing a sleek, modern look along with strong protection for internal components.
- The X12-508 HV utilizes a coreless DC motor with a rated voltage of DC7.4V, delivering torque up to 6.2 kgf·cm and speeds as fast as 0.07 sec/60° at maximum voltage.
- The X12-708 operates with a brushless DC motor rated at DC7.4V, offering torques up to 9.3 kgf·cm and exceptional speeds down to 0.07 sec/60°, ideal for high-demand applications.
- Both units support a default travel angle of ±50° (total 100°), with a flexible working temperature range from -20°C to +65°C, ensuring reliable operation in various environments.
- Hardened steel gear sets guarantee long-lasting durability under stress, and potentiometer-based sensors ensure precise position feedback for smooth movement.
- The servos operate at high frequencies of 1520 μs/20 kHz (X12-508) and up to 760 μs/560 Hz (X12-708, with programming), making them compatible with a variety of RC systems and peripherals.
- Both servos weigh approximately 20 grams, combining lightweight design with high performance for optimized control and agility in miniature applications.
This KST servo duo—order now for superior control
Transform your RC models with these premium, high-response servos. Designed for enthusiasts who demand reliability and top performance, this pair will bring your projects to life with precision and durability. Whether upgrading existing equipment or building from scratch, you’ll appreciate the craftsmanship and technological edge brought by these KST servos. Don’t wait—experience the difference they make in your models today and elevate your hobby to the next level.
Your commitment to quality control and performance starts here. Investing in these KST X12-508 HV and X12-708 servos means embracing cutting-edge engineering made to meet the demands of serious RC enthusiasts. Enjoy seamless operation, high torque, and fast response times—making your control more accurate and your models more responsive than ever before. Add them to your toolkit and enjoy the confidence that comes with using proven, high-performance components.

















