GKS 12V-26 Circular Saw

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12V Professional

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Circular Saws · Bosch 12V Professional

Bosch GKS 12V-26 Professional 85mm Compact Circular Saw (Body Only)

1.1kg bare12V3 years (with registration)

12V compact 85mm cordless circular saw. 26.5mm @90deg, 17mm @45deg, 1400rpm, 1.1kg bare. LED, spindle lock, dust port; guide-rail compatible with adapter. Bare (cardboard).

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85mm

Blade

26.5mm

Cut depth (90°)

1,400rpm

Max speed

1.1kg

Weight (bare)

Where it sits among circular saws

Against the 77 circular saws we list. Not a score: bigger isn't always better for your job.

Cut depth at 90°26.5mm

25.5mm lowestMakita HS301Dhighest 160mmMakita HS013G

Cut depth at 45°17mm

16.5mm lowestMakita HS301Dhighest 106mmMakita HS013G

Max bevel angle45°

45° lowestThis onehighest 60°Makita HS009G

Weight (bare)1.1kg

1.1kg lightestThis oneheaviest 10.5kgMakita HS013G

Compare it with: + Makita HS301D + Milwaukee M12 FCS442 + Einhell TP-CS 18/190 Li BL + DeWalt DCS571

Full specs

From Bosch's own documentation. Checked 21/06/2026. Report a spec error ›

Cutting

Saw typeCompact

Blade diameter85 mm

Blade bore15 mm

Max depth (90°)26.5 mm

Max depth (45°)17 mm

Bevel range0–45°

Rip fence included✓ Yes

Power & Motor

Voltage12V

No-load speed1,400 rpm

Dust & Rail

Compatible railsBosch FSN rail, via adapter (1 619 P10 829); Bosch/Mafell system (FSN rail shared with Mafell)

Extractor auto-startNo

Physical & Build

Weight (bare)1.1 kg

Weight (with battery)1.28 kg

LED work light✓ Yes

Case typeNone

Noise level90 dB(A) LpA

Vibration2.5 m/s²

The verdictOur take

Bosch's pocket-sized 12V saw, an 85mm tool for trimming laminate, ply and other light cuts where a full saw is overkill. On spec it is tiny: a 26.5mm cut at 90° at 1400rpm, bevel to 45°, and at 1.1kg bare it is genuinely one-handed. It runs on the Bosch 12V Professional platform and, unusually for something this small, takes a Bosch FSN guide rail for straight cuts. This is for trim and second-fix work, not breaking down sheets. A neat extra for anyone already on Bosch 12V rather than a first saw.

Powered by Bosch 12V Professional · 3

All 3 batteries that fit this tool, smallest first. Kits and chargers ›

GBA12V-20 2.0Ah · 24Wh 0.18kg 1.28kg from £46.99at Machine Mart + £4.99 delivery View at Machine Mart ›

GBA12V-30 3.0Ah · 36Wh 0.18kg 1.28kg from £55.00at Machine Mart + £4.99 delivery View at Machine Mart ›

GBA12V-60 6.0Ah · 72Wh 0.39kg 1.49kg from £79.99at Machine Mart + £4.99 delivery View at Machine Mart ›

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.