Bosch GBM 400 Professional Drill – 400 W Compact Rotary Drill for Precision Work

The Bosch GBM 400 Professional Drill is a compact, lightweight corded rotary drill designed for precision drilling in tight spaces. With a 400-watt motor, variable speed control, and ergonomic design, it is ideal for electricians, carpenters, and general-purpose users who require reliability and efficiency. This versatile tool is perfect for drilling into metal, wood, plastic, and aluminum, making it a solid choice for both on-site and workshop tasks.

Product Features

400 W high-efficiency motor

Delivers consistent performance for drilling through a variety of materials, including metal, wood, and plastic. Capable of handling light- to medium-duty applications with ease.

Slim and lightweight design

Weighing just around 1.3 kg, the GBM 400 is easy to control and operate for extended periods, especially in overhead or narrow working conditions.

Variable speed with reverse rotation

The speed can be precisely adjusted up to 2800 rpm to match the material and task. The reverse function allows for easy removal of screws and jammed bits.

Keyless chuck for quick bit changes

Fitted with a 10 mm keyless chuck that allows fast and tool-free accessory changes, increasing productivity on the job.

Multi-material capability

Handles a range of drilling tasks with a maximum capacity of 20 mm in wood, 13 mm in aluminum, and 10 mm in steel.

Durable and reliable construction

Engineered with robust internal components and a strong outer casing to withstand regular use in industrial and trade environments.

Product Specifications

• Model: Bosch GBM 400 Professional

• Input power: 400 W

• Output power: 180 W

• No-load speed: 0–2800 rpm

• Chuck type: Keyless

• Chuck capacity: 1.0 – 10 mm

• Maximum drilling capacity:

  • Wood: 20 mm

  • Aluminum: 13 mm

  • Steel: 10 mm

• Weight: approx. 1.3 kg

• Dimensions (L × W × H): 240 mm × 65 mm × 195 mm

• Rotation direction: Forward and reverse

• Variable speed: Yes

• Power source: Corded (AC supply)

• Sound pressure level: 83 dB(A)

• Sound power level: 94 dB(A)

• Vibration level: ≤ 3 m/s²

• Application: Woodworking, metal drilling, installation, maintenance work