Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ Reciprocating Saws
18V Professional · Brushless Bosch GSA 18V-28 Professional Brushless Reciprocating Saw (Body Only)
Reciprocating Saws · Bosch 18V Professional

Bosch GSA 18V-28 Professional Brushless Reciprocating Saw (Body Only)

Bosch GSA 18V-28: cordless reciprocating saw, 28mm stroke, up to 2,900 strokes/min, cuts wood up to 230mm, 3.2kg bare. Orbital action.

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Lowest price we track
£219.00at Machine Mart · + £4.99 delivery
Compare retailersTotal with delivery
Machine Mart Lowest£219.00 + £4.99 delivery£223.99View ›
Tooled Up£223.95 + £5.95 delivery£229.90View ›
My Tool Shed£223.95 + £5.95 delivery£229.90View ›
Prices from UK retailer feeds, updated daily.We may earn a commission
28mm
Stroke length
230mm
Max cut, wood
150mm
Max cut, pipe
2,900spm
Stroke rate

Where it sits among full-size reciprocating saws

Scaled against the 57 full-size reciprocating saws we list, so one-handed saws aren't in the mix. Not a score: bigger isn't always better for your job.

Stroke length28mm
20mm lowestMakita DJR188highest 32mmMilwaukee M18 FSX
Max cut, wood230mm
Max stroke rate2,900spm
2,200spm lowestMakita JR003Ghighest 3,200spmDeWalt DCS382
Weight (bare)3.2kg
2.06kg lightestEinhell TP-AP 18/28 Li BLheaviest 4.4kgMakita JR3070CT

Full specs

From Bosch's own documentation. Checked 14/10/2026. Report a spec error ›

Stroke & Cutting

Saw classFull size
Stroke length28 mm
Max stroke rate2,900 spm
Max cut, wood230 mm
Max cut, pipe150 mm
Max cut, mild steel20 mm
Orbital action✓ Yes
Orbital settingsOn/off (lever)
Shoe adjustmentWith a key or tool

Power & Motor

Voltage18V
MotorBrushless

Physical & Build

Weight (bare)3.2 kg
Weight (with battery)3.8 kg
Noise level89 dB(A) LpA / 97 dB(A) LwA
Vibration (cutting boards)18.8 m/s²
Vibration (cutting wooden beams)21.4 m/s²

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 3.55kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›
GBA18V-30 3.0Ah 0.6kg 3.8kg No retailer price yet About this battery ›
PROCORE18V-40 4.0Ah · 72Wh 0.52kg 3.72kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›
GBA18V-40 4.0Ah · 72Wh 0.6kg 3.8kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›
EXBA18V-40 4.0Ah · 72Wh 0.61kg 3.81kg No retailer price yet About this battery ›
GBA18V-50 5.0Ah · 90Wh 0.62kg 3.82kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›
PROCORE18V-55 5.5Ah · 99Wh 0.96kg 4.16kg No retailer price yet About this battery ›
EXBA18V-55 5.5Ah · 99Wh 1.02kg 4.22kg 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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