Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
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18V Professional Bosch GSB 18V-28 Professional Combi Drill (Body Only, L-BOXX)
Combi Drills · Bosch 18V Professional

Bosch GSB 18V-28 Professional Combi Drill (Body Only, L-BOXX)

63Nm2-speed1.2kg bare3 years (with registration)

18V Bosch Professional combi drill. 63Nm (28Nm soft), 2-speed 0–500/0–1,900rpm, 0–28,500bpm, 13mm keyless chuck, drills 38mm wood and 13mm masonry, LED. 1.2kg bare. Body only, L-BOXX.

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Lowest price we track
£181.95at Tooled Up · + £5.95 delivery · Available to order
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Tooled Up Lowest£181.95 + £5.95 delivery · Available to order£187.90View ›
My Tool Shed£181.95 + £5.95 delivery · Available to order£187.90View ›
Prices from UK retailer feeds, updated daily.We may earn a commission
63Nm
Max torque
1,900rpm
Max speed
1.2kg
Weight (bare)
1.5–13mm
Chuck size

Where it sits among combi drills

Against the 47 combi drills we list. Not a score: bigger isn't always better for your job.

Max torque63Nm
30Nm lowestMilwaukee M12 BPDhighest 180NmMakita HP003G
Max drilling, wood38mm
21mm lowestMakita HP333Dhighest 89mmMilwaukee M18 FPD2
Weight (bare)1.2kg
0.85kg lightestDeWalt DCD706heaviest 2.1kgMakita HP003G
Blows per minute28,500
22,500 lowestMilwaukee M12 BPDhighest 57,600Festool TPC 18/4

Full specs

From Bosch's own documentation. Checked 25/09/2026. Report a spec error ›

Performance

Max torque63 Nm
Speed settings2
No-load speed0–500 / 0–1,900 rpm
Impacts per minute28,500
Hammer function✓ Yes
Torque settings20
Voltage18V

Chuck & Drilling

Chuck size1.5–13mm
Chuck typeKeyless
Max wood38 mm
Max masonry13 mm
Max steel13 mm

Physical & Build

Weight (bare)1.2 kg
Weight (with battery)1.8 kg
LED work light✓ Yes
Case typeL-BOXX
Case modelL-BOXX 136
Case included✓ Yes
Noise level89 dB(A) LpA / 100 dB(A) LwA
Vibration (drilling metal)< 2.5 m/s²
Vibration (hammer drilling)11.5 m/s²
The verdictOur take

The GSB 18V-28 is a mid-range Bosch Professional combi with 63Nm and the fastest impact rate of Bosch's 18V combis here at 28,500bpm. It drills 13mm into masonry and 38mm into wood, more than the GSB 18V-21 and GSB 18V-45. Bosch doesn't say whether the motor is brushless.

Powered by Bosch 18V Professional · 13

All 13 batteries that fit this tool, smallest first. Kits and chargers ›

GBA18V-20 2.0Ah · 36Wh 0.35kg 1.55kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›
GBA18V-30 3.0Ah 0.6kg 1.8kg No retailer price yet About this battery ›
PROCORE18V-40 4.0Ah · 72Wh 0.52kg 1.72kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›
GBA18V-40 4.0Ah · 72Wh 0.6kg 1.8kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›
EXBA18V-40 4.0Ah · 72Wh 0.61kg 1.81kg No retailer price yet About this battery ›
GBA18V-50 5.0Ah · 90Wh 0.62kg 1.82kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›
PROCORE18V-55 5.5Ah · 99Wh 0.96kg 2.16kg No retailer price yet About this battery ›
EXBA18V-55 5.5Ah · 99Wh 1.02kg 2.22kg from £157.95at Tooled Up + £6.95 delivery View at Tooled Up ›

Tool weight worked out by adding each pack's weight to the bare tool, using the makers' figures. The maker's own with-battery figure can differ slightly. We may earn a commission on retailer links.

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Bosch
Register with Bosch ›
Register within 28 days of buying Own one? Add it to My Tools and we'll remind you before the 28 days run out

Register within 4 weeks. Batteries & chargers can also be extended (unlike DeWalt/Makita).

Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.

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