Head to head
Bosch Professional GSB 18V-90 C vs Bosch Professional GWS 18V-10
The Bosch Professional GSB 18V-90 C is a 18v brushless combi drill/driver with bluetooth connectivity. The Bosch Professional GWS 18V-10 is a 18v cordless 125mm angle grinder.
Last reviewed 13 September 2026
Specifications side by side
| Bosch Professional GSB 18V-90 C | Bosch Professional GWS 18V-10 | |
|---|---|---|
| Weight | 1.2 kg (excl. battery) | 2.1 kg (excl. battery) |
| No-load speed | 0-630 / 0-2100 rpm | 9000 rpm |
| Max torque | 65 / 36 Nm (hard/soft) | - |
| Chuck | 13mm metal | - |
| Impact rate | 29,500 bpm | - |
| Disc diameter | - | 125mm |
| Spindle thread | - | M14 |
Sources: Bosch Professional GSB 18V-90 C, Bosch Professional GWS 18V-10. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GSB 18V-90 C if...
This combi drill sits in Bosch Professional's Biturbo 18V range for builders who want connected tool tracking alongside solid drilling performance. It is a common counterpart to the corded GBH 2-28 F for buyers moving their kit over to battery power.
Full GSB 18V-90 C specifications →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 →Common questions
What is the difference between the Bosch Professional GSB 18V-90 C and the Bosch Professional GWS 18V-10?
The Bosch Professional GSB 18V-90 C is a 18V brushless combi drill/driver with Bluetooth connectivity; the Bosch Professional GWS 18V-10 is a 18V cordless 125mm angle grinder.
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