The Hilti DC-SE 20 Wall Chaser is a dedicated electric slitting machine built for fast, precise cutting of channels in concrete, masonry, and blockwork. Engineered for professional use, it’s ideal for creating clean grooves when installing electrical cables, conduits, plumbing pipes, or other in-wall services. Designed with robust construction and ergonomic handles, it delivers reliable performance while reducing operator fatigue on site. 

With twin 125 mm diamond blades, this wall chaser cuts grooves up to 40 mm deep and 46 mm wide in one pass, helping you work quickly and accurately with reduced clean-up time. Its powerful motor and compatibility with vacuum extraction (for dust control) make it an efficient choice for professional builders, electricians, and plumbers. 

Purpose-built slitting system for fast, clean wall chasing
Cuts grooves up to 40 mm depth and 46 mm width in a single pass
125 mm diamond blades for robust cutting performance
Ergonomic handles for a secure, comfortable grip
Works with dust extraction for improved site cleanliness

Model: Hilti DC-SE 20
Power Supply: 110 V (site-compliant)
Rated Input Power: 1 700 W
Disc Diameter: 125 mm
Max Cutting Depth: 40 mm
Max Cutting Width: 46 mm
No-Load Speed: Approx. 7 500 rpm
Weight: Approx. 6.9 kg
Arbor Size: 22.2 mm
Applications: Concrete, masonry, hard stone, and blockwork grooving for cable, conduit, and pipe installation