Servo - Hitec HS-85MG (Micro Size)

The Hitec HS-85MG packs impressive torque into a micro-sized package. With metal gears and a single ball bearing, this servo delivers up to 3.4 kg·cm (48.6 oz·in) of torque at 6V while weighing just 21.9 g — making it an excellent choice for compact robotics, RC models, and mechatronic projects.

The servo features 180° rotation, a standard 3-pin connector, and comes with a full set of mounting hardware and horn accessories.

Key Features

• Metal Gears – Four metal gears for durability under load
• High Torque – 3.4 kg·cm (48.6 oz·in) at 6.0V
• Fast Response – 0.14 sec/60° at 6.0V
• Micro Size – Just 29 × 13 × 30 mm and 21.9 g
• Ball Bearing Output – Single ball bearing for smooth, reliable operation
• 180° Rotation – Standard servo range with C1 spline output

Specifications

• Operating Voltage: 4.8–6.0V
• Torque: 2.9/3.4 kg·cm (41.7/48.6 oz·in) at 4.8/6.0V
• Speed: 0.16/0.14 sec/60° at 4.8/6.0V
• Rotation: 180°
• Motor: 3-pole ferrite
• Spline: C1 standard
• Dimensions: 29 × 13 × 30 mm
• Wire Length: 160 mm
• Weight: 21.9 g

Ideal For

• Compact robotics and robotic arms
• RC aircraft and helicopter projects
• Pan-tilt camera mounts
• Mechatronic prototyping

Package Contents

• 1× HS-85MG Micro Servo
• 1× Double Arm Micro Horn
• 1× Four Point Micro Horn
• 1× Circle Micro Horn
• 2× Rubber Grommets
• 2× 2 × 15 mm Phillips Screws
• 2× Brass Eyelets
• 2× Servo Mounts

Resources

• HS-85MG Datasheet (PDF)