Wall Chaser GNF 20 CA Professional

The handy tool with Constant Electronic
  • Symbolimage
GNF 20 CA Professional
Technical data
Additional data
No-load speed* 9,300   rpm
Rated input power* 900   W
Adjustable groove depth 0 – 20   mm
Cutting width 3 – 23   mm
Disc diameter 115   mm
Power output 520   W
Weight 3.4   kg
Tool dimensions (length) 242   mm
Tool dimensions (height) 285   mm

* Highlighted Data

The A-rated noise level of the power tool is typically as follows: Sound pressure level dB(A); Sound power level dB(A). Uncertainty K= dB.


The handy tool with Constant Electronic

  • Constant Electronic for constant speed, also under heavy load
  • Low user fatigue due to particularly low weight
  • Safe and ergonomically optimum handling


Click & Clean System – 3 great benefits A clear view of the work surface: You work more precisely and faster
Harmful dust is extracted immediately: Protects your health
Less dust: Longer lifetime of tool and accessories
Best work results with constant speed thanks to electronic regulation of speed - even under load
Dust extraction directly into the integral dust bag on the tool and/or using an all-purpose dust extractor
Easy disc / tool change thanks to spindle lock
Woodworking The professional power tools for woodworking from Bosch.
What’s Included in this Package
in carrying case with flange
in carrying case with flange
Order number: 0 601 612 503
  • Backing flange (spare part number 3 600 390 023)
  • Break-out tool (spare part number 3 607 950 000)
  • Carrying case
  • Round nut (spare part number 3 603 345 005)
  • Two-hole spanner 1 607 950 043
  • 5 x spacer, 4 mm 3 600 102 043

Service Hotline

Have any questions about our repair and spare parts service?

Learn more

Find the dealer close to you

Learn more