Head to head
Bosch Professional GWS 18V-10 vs Karcher HDS 5/11 U
The Bosch Professional GWS 18V-10 is a 18v cordless 125mm angle grinder. The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class.
Last reviewed 13 September 2026
Specifications side by side
| Bosch Professional GWS 18V-10 | Karcher HDS 5/11 U | |
|---|---|---|
| Weight | 2.1 kg (excl. battery) | 65.4 kg (with accessories) |
| Disc diameter | 125mm | - |
| No-load speed | 9000 rpm | - |
| Spindle thread | M14 | - |
| Max pressure | - | 110 bar |
| Flow rate | - | 450 l/h |
| Max water temperature | - | 80 C |
| Motor power | - | 2.2 kW |
Sources: Bosch Professional GWS 18V-10, Karcher HDS 5/11 U. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GWS 18V-10 if...
The GWS 18V-10 is Bosch's mainstream cordless replacement for a corded 125mm grinder, used for cutting, grinding and deburring on site. It is one of the most widely stocked cordless grinders in the Professional range and is often the reference comparison for rival 125mm cordless grinders.
Full GWS 18V-10 specifications →Buy or hire the HDS 5/11 U if...
The HDS 5/11 U is an entry point into Karcher's hot-water professional range, used by cleaning contractors and agricultural or workshop users needing hot water for grease and oil removal. It is a common unit on trade cleaning equipment hire fleets rather than a domestic purchase.
Full HDS 5/11 U specifications →Common questions
What is the difference between the Bosch Professional GWS 18V-10 and the Karcher HDS 5/11 U?
The Bosch Professional GWS 18V-10 is a 18V cordless 125mm angle grinder; the Karcher HDS 5/11 U is a professional hot water pressure washer, upright class.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.