Bosch GDS18V-1600H BITURBO Brushless 3/4 inch Impact Wrench with 1600 Nm Max Torque (Bare Tool)

With a massive 1600 Nm of tightening torque and 2200 Nm of breakaway torque, the Bosch GDS18V-1600H BITURBO Brushless Impact Wrench delivers heavy-duty power in a compact 228 mm head length. This bare tool is part of the Bosch Professional 18V System and is ready for Bluetooth connectivity via the optional GCY 42 module, giving you control over settings and real-time feedback on your smartphone.

Overview

The GDS18V-1600H is engineered for demanding fastening applications, from structural steel to heavy equipment maintenance. Its BITURBO brushless motor technology maximises power and runtime when paired with ProCORE18V batteries, while the 3/4" external square drive accepts high-torque sockets. Three speed/torque settings let you tailor output to the task, and the variable-speed trigger provides precise control.

What stands out

• Extreme torque: 1600 Nm tightening and 2200 Nm breakaway for the toughest bolts.
• BITURBO brushless motor: High efficiency and durability, fully optimised for ProCORE18V batteries.
• Compact design: Head length of only 228 mm for access in tight spaces.
• Bluetooth connectivity ready: Pair with the GCY 42 module for customised settings and tool tracking.
• Three speed/torque settings: Adjust power to prevent overtightening or damage.
• LED light: Illuminates the work area for improved visibility.

Technical details

• Battery voltage: 18 V
• Max tightening torque: 1600 Nm
• Max breakaway torque: 2200 Nm
• No-load speed: 0–1750 rpm
• Impact rate: 0–2600 bpm
• Tool holder: 3/4" external square
• Motor type: BITURBO Brushless
• Speed/torque settings: 3 levels
• Weight without battery: 3.2 kg
• Head length: 228 mm
• Battery system: Bosch Professional 18V System
• Connectivity: Ready for Bluetooth® (module GCY 42 sold separately)
• Product series: Heavy Duty
• Recommended fastener size: M10–M24
• Scope of delivery: Bare tool (no battery, no charger)

Our verdict

The Bosch GDS18V-1600H is a top-tier cordless impact wrench that rivals pneumatic tools in power while offering the freedom of cordless operation. Its compact head and smart connectivity make it a versatile addition to any professional workshop or job site.