The Milwaukee K 545 S is a mid-range combi hammer drill ideal for professional contractors and enthusiastic DIYers. While lighter than its bigger brother, the K 750 S, it packs a punch and offers excellent versatility for various drilling, hammering, and chiseling tasks. Let’s delve into its features and see how it performs.

Power and Performance

  • Solid Impact Energy: With 8.5 Joules of impact energy, the K 545 S tackles common demolition and chiseling jobs with ease. It drills effectively in concrete (up to 45mm) and handles moderate breaking tasks.
  • Robust Motor: The 1300 watt motor delivers ample power for demanding applications without sacrificing efficiency.
  • Variable Speed Control: Electronic controls allow for adjusting drilling and chiseling speeds to match the material and task.

Usability and Ergonomics

  • Soft Start: Ensures a smooth start-up, minimizing user fatigue and improving drilling accuracy.
  • Anti-Vibration System (AVS): This Milwaukee technology significantly reduces vibrations, making the tool more comfortable to operate for extended periods.
  • Soft Grip: Both the front and rear grips are covered in soft-grip material for a secure and comfortable hold.
  • Variolock: This allows positioning the chisel in 12 different positions for optimal chiseling angles on various surfaces.

Additional Features

  • Reduced Impact Mode: Lowers impact force for drilling and chiseling in delicate materials like tiles or brickwork.
  • Multi-Position Chisel Function: Provides flexibility for different chiseling applications.
  • Safety Clutch: Protects the user and the tool in case of a bit bind-up.
  • Service Light: Indicates when the carbon brushes need replacing, promoting preventative maintenance.
  • Spacious Carry Case: Facilitates safe storage and transport of the tool and accessories.

Overall 

The Milwaukee K 545 S offers a well-balanced combination of power, user comfort, and functionality. It’s a versatile tool suitable for professional contractors tackling various drilling and demolition tasks in concrete, brick, and masonry. DIYers working on renovations or home improvement projects will also find it a valuable asset. While not the lightest tool (weighing around 6.7kg), it’s lighter than its bigger sibling, making it a more maneuverable option for some users.