Head to head
Bosch Professional GWS 18V-10 vs Lagler Hummel
The Bosch Professional GWS 18V-10 is a 18v cordless 125mm angle grinder. The Lagler Hummel is a belt sanding machine for wood floors.
Last reviewed 13 September 2026
Specifications side by side
| Bosch Professional GWS 18V-10 | Lagler Hummel | |
|---|---|---|
| Weight | 2.1 kg (excl. battery) | 79kg |
| Disc diameter | 125mm | - |
| No-load speed | 9000 rpm | - |
| Spindle thread | M14 | - |
| Motor power | - | 2.2kW |
| Sanding drum width | - | 200mm |
| Voltage | - | 230V / 50Hz |
| Belt size | - | 200mm x 750mm |
Sources: Bosch Professional GWS 18V-10, Lagler Hummel. 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 Hummel if...
The classic belt sander used to strip and refinish wood floors, in production since 1969 and still the reference machine flooring contractors and DIY renovators reach for. UK hire listings sometimes attribute it to Bona, the abrasives and finish brand, rather than its actual maker Lagler.
Full Hummel specifications →Common questions
What is the difference between the Bosch Professional GWS 18V-10 and the Lagler Hummel?
The Bosch Professional GWS 18V-10 is a 18V cordless 125mm angle grinder; the Lagler Hummel is a belt sanding machine for wood floors.
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