Meet the BOSCH GBM9-16 5/8 In. Mixer—a high-torque workhorse designed for pros and serious DIYers who demand power, precision, and durability on every project. From cement plaster to epoxy resin, this mixer keeps material moving smoothly with control you can actually feel.

The all‑star combo of variable speed, forward and reverse operation, and a 360° rotatable D-handle makes it adaptable to any jobsite angle or material, without turning your project into a two-hour argument with the mixer.

Key Features & Design

• Powerful motor: 9.0 Amp motor – generates outstanding torque for mixing materials such as cement plaster and epoxy resin.
• Variable-speed control: 0-700 no-load RPM with a variable-speed and reversing switch for greater user control.
• Forward & reverse: Reverse: Yes for easier mixing and unclogging.
• 360° rotatable D-handle: 360° rotatable D-handle design – allows user to hold the mixer in the best position and diminishes vibration.
• Heavy-duty keyed chuck: 5/8 In. keyed chuck — supports a wide variety of accessories.
• Two-finger trigger: Two-finger trigger design for ease of operation.
• Ergonomic and durable: Ergonomic handle with soft grip – for increased comfort; Magnesium front housing – for increased durability.
• Gearing & motor build: Precision-cut steel gears – furnishes outstanding torque transfer; all-ball bearing motor for power and longevity.
• Cord & practicality: Extra-long 8 Ft. rubber cord with three-prong ground plug – offers greater versatility on the jobsite.
• Includes: (1) Auxiliary Handle, (1) Chuck Key.

Technical Data

• Amperage: 9
• Chuck Design: Keyed
• Chuck Size: 5/8 in
• Height: 10 in
• Length: 14 in
• Material: Plastic Polymer Construction
• Max. Hole Diameter in Steel-Twist Drill Bit: 1/2 in
• No Load RPM: 0-700
• Rating: 120 V
• Reverse: Yes
• Spindle Size: 1/2 in - 20
• Variable Speed: Yes
• Voltage: 120V
• Weight: 6.6 lb
• Includes: (1) Auxiliary Handle, (1) Chuck Key