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18V Professional · Brushless Bosch GKS 18V-57-2 GX Professional Brushless 165mm Circular Saw (Body Only)
Circular Saws · Bosch 18V Professional

Bosch GKS 18V-57-2 GX Professional Brushless 165mm Circular Saw (Body Only)

18V 165mm brushless cordless circular saw. 57mm cut at 90°, 42mm at 45°. 5000rpm. Guide rail compatible (Bosch FSN + FSN X cross-cut rail). KickBack Control. Stop Control. ECO mode. LED. Bare unit.

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£292.95at Tooled Up · + £5.95 delivery · Available to order
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Tooled Up Lowest£292.95 + £5.95 delivery · Available to order£298.90View ›
My Tool Shed£292.95 + £5.95 delivery · Available to order£298.90View ›
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165mm
Blade
57mm
Cut depth (90°)
5,000rpm
Max speed
3.4kg
Weight (bare)

Where it sits among 165mm circular saws

Scaled against the 19 circular saws with a 165mm blade we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Cut depth at 90°57mm
Cut depth at 45°42mm
Max bevel angle50°
45° lowestEinhell TE-CS 18/165-1 Lihighest 50°This one
Weight (bare)3.4kg
2.4kg lightestMakita DSS611heaviest 3.56kgMilwaukee M18 CCS55

Full specs

From Bosch's own documentation. Checked 20/06/2026. Report a spec error ›

Cutting

Saw typeWood
Blade diameter165 mm
Blade bore20 mm
Max depth (90°)57 mm
Max depth (45°)42 mm
Bevel range0–50°
Rip fence included✓ Yes

Dust & Rail

Dust port sizeClick & Clean
Extractor hose✓ Fits Bosch Click & Clean extractor hoses directly (1 extractor listed)
Compatible railsBosch FSN rail + FSN X cross-cut rail (FSN X 300/440/740mm), native; Bosch/Mafell system (FSN rail shared with Mafell)
Extractor auto-startNo

Power & Motor

Voltage18V
MotorBrushless
No-load speed5,000 rpm

Safety

Electronic kickback stop✓ Yes
Kickback technologyKickBack Control

Physical & Build

Weight (bare)3.4 kg
Weight (with battery)4 kg
LED work light✓ Yes
Noise level96 dB(A) LpA
Vibration2.5 m/s²
The verdictOur take

The rail-ready, safety-equipped version of Bosch's 165mm brushless saw. On spec it matches the standard model at 5000rpm and 57mm of depth, but adds Bosch FSN and FSN X rail compatibility, and Bosch confirm its base also rides Festool and Makita rails, plus two electronic features worth having: Stop Control, which halts the blade at the end of a cut, and KickBack Control, which cuts the motor if it senses a kickback. It is a little heavier at 3.4kg and louder at 96 dB(A), the cost of the extra hardware. The pick of Bosch's 165mm saws for anyone who wants guided cuts and the electronic safety net.

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 3.75kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›
GBA18V-30 3.0Ah 0.6kg 4.0kg No retailer price yet About this battery ›
PROCORE18V-40 4.0Ah · 72Wh 0.52kg 3.92kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›
GBA18V-40 4.0Ah · 72Wh 0.6kg 4.0kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›
EXBA18V-40 4.0Ah · 72Wh 0.61kg 4.01kg No retailer price yet About this battery ›
GBA18V-50 5.0Ah · 90Wh 0.62kg 4.02kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›
PROCORE18V-55 5.5Ah · 99Wh 0.96kg 4.36kg No retailer price yet About this battery ›
EXBA18V-55 5.5Ah · 99Wh 1.02kg 4.42kg 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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