Product Description

Bosch GNF20-40 Wall Chaser 240V 06016C5170

The Bosch GNF20-40 Wall Chaser is a powerful and durable corded machine designed for cutting accurate grooves into masonry, sandstone and concrete. Equipped with a high-performance 2000W brushless motor and two 150mm diamond cutting discs, it delivers smooth cutting with an adjustable depth of up to 40mm and groove widths up to 39mm. Its compact design allows users to work close to edges, while the ergonomic handle arrangement provides comfortable control in different working positions. The Bosch Professional Click & Clean interface enables effective dust extraction for a cleaner working environment, while tool-free depth, width and disc adjustments help improve efficiency on site. Integrated safety features include a PROtection switch, brake function and restart protection.

GNF20-40 Features:

• Powerful 2000W brushless motor delivers reliable performance for demanding professional applications.
• Suitable for cutting grooves into masonry, sandstone and concrete.
• Maximum cutting depth of 40mm for installing cables, conduits and pipework.
• Adjustable groove width of up to 39mm for greater application versatility.
• Uses two 150mm diamond cutting discs for smooth and efficient cutting.
• Compact design allows cutting close to edges.
• Ergonomic handle arrangement provides comfortable operation in different positions and directions.
• Bosch Professional Click & Clean interface provides effective connection to compatible dust extraction systems.
• Tool-free adjustment of cutting depth and groove width for quick setup.
• Tool-free disc changing helps reduce downtime between applications.
• PROtection switch, brake function and restart protection provide enhanced user safety.

GNF20-40 Specification:

• Voltage: 240V
• Rated input power: 2000W
• Motor type: Brushless
• No-load speed: 7,100rpm
• Disc diameter: 150mm
• Disc bore diameter: 22.23mm
• Spindle thread: M14
• Adjustable cutting depth: 10mm–40mm
• Cutting depth, max.: 40mm
• Cutting width: 2mm–39mm
• Weight: 4.5kg
• Sound pressure level: 105dB(A)
• Sound power level: 113dB(A)
• Vibration emission value: 7.1m/s²
• Packaging dimensions: 357mm x 442mm x 253mm
• Product code: 06016C5170

What is included:

• 1× Bosch GNF20-40 Wall Chaser
• 2× 150mm Diamond Cutting Discs
• 1× L-BOXX 238
• 1× Tensioner Parts Set
• 1× Mounting Flange 22.23mm
• 4× 6mm Spacer Discs
• 3× 4mm Spacer Discs
• 1× Splitting Tool
• 1× SDS Quick-Locking Nut