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‹ Mitre Saws

18V Professional · Brushless Bosch GCM 18V-305 GDC 18V BiTURBO 305mm Dual-Bevel Axial-Glide Mitre Saw (Body Only)

Mitre Saws · Bosch 18V Professional

Bosch GCM 18V-305 GDC 18V BiTURBO 305mm Dual-Bevel Axial-Glide Mitre Saw (Body Only)

Name: Bosch GCM 18V-305 GDC 18V BiTURBO 305mm Dual-Bevel Axial-Glide Mitre Saw (Body Only)
Brand: Bosch
SKU: GCM 18V-305 GDC
Availability: InStock

26.9kg bare18V3 years (with registration)

18V BiTURBO brushless 305mm dual-bevel Axial-Glide mitre saw, glide arm needing no rear clearance. 341 × 104mm crosscut at 90°. 52° L / 60° R mitre, 47° dual bevel. Laser guide. 26.9kg. Body only.

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£999.95at Tooled Up · + £15.95 delivery

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305mm

Blade

341 × 104mm

Crosscut (90°)

52° L / 60° R

Mitre range

26.9kg

Weight (bare)

Where it sits among 305mm mitre saws

Scaled against the 14 mitre saws with a 305mm blade we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Weight (bare)26.9kg

21.4kg lightestBosch GCM 340-305 Dheaviest 32.1kgBosch GCM 12 GDL

Max cut width (90°)341mm

303mm lowestDeWalt DWS780highest 382mmMakita LS003G

Max cut height (90°)104mm

90mm lowestDeWalt DCS782highest 110mmDeWalt DWS780

Max bevel angle47°

45° lowestHiKOKI C12RSH2highest 49°DeWalt DCS782

Compare it with: + DeWalt DCS782 + HiKOKI C12RSH2 + Makita LS1219L + Einhell TE-MS 18/210 Li

Full specs

From Bosch's own documentation. Checked 13/06/2026. Report a spec error ›

Cutting Capacity

Crosscut at 90°341 × 104mm

Crosscut at 45° mitre240 × 104mm

Crosscut at 45° bevel341 × 40mm

Blade

Blade diameter305 mm

Blade bore30 mm

Blade teeth60

Power & Motor

Voltage18V

MotorBrushless

No-load speed4,000 rpm

Dust Extraction

Dust bag included✓ Yes

Extractor auto-startNo

Ranges & Type

Sliding head✓ Yes

Rail designGlide arm

Mitre range52° L / 60° R

Bevel range47° L / 47° R

Bevel typeDual bevel

Features

Cut-line guideLaser

Electronic blade brake✓ Yes

Soft start✓ Yes

Physical & Build

Weight (bare)26.9 kg

Weight (with battery)27.5 kg

LED work light✓ Yes

Noise level93 dB(A) LpA / 106 dB(A) LwA

The verdictOur take

The GCM 18V-305 GDC is a remarkable thing: a cordless 305mm dual-bevel saw on the Axial-Glide arm, off a single 18V BiTURBO battery, with the same big 341 × 104mm capacity as the corded GCM 12 GDL plus a brake and soft start, at a lighter 26.9kg. Noise is 93 dB(A). We rate it the standout for anyone wanting big mitre capacity without a cable or rear clearance; the Makita LS003G and DeWalt DHS780 are the rival cordless 305mm saws, on XGT and twin FlexVolt.

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 27.25kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›

GBA18V-30 3.0Ah 0.6kg 27.5kg No retailer price yet About this battery ›

PROCORE18V-40 4.0Ah · 72Wh 0.52kg 27.42kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›

GBA18V-40 4.0Ah · 72Wh 0.6kg 27.5kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›

EXBA18V-40 4.0Ah · 72Wh 0.61kg 27.51kg No retailer price yet About this battery ›

GBA18V-50 5.0Ah · 90Wh 0.62kg 27.52kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›

PROCORE18V-55 5.5Ah · 99Wh 0.96kg 27.86kg No retailer price yet About this battery ›

EXBA18V-55 5.5Ah · 99Wh 1.02kg 27.92kg 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.