GEX 12V-125 Random Orbital Sander

£153.95Body only · at Tooled Up · + £5.95 delivery · Available to order

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‹ Random Orbital Sanders

12V Professional · Brushless Bosch GEX 12V-125 Professional Brushless 125mm Random Orbital Sander (Body Only)

Random Orbital Sanders · Bosch 12V Professional

Bosch GEX 12V-125 Professional Brushless 125mm Random Orbital Sander (Body Only)

Name: Bosch GEX 12V-125 Professional Brushless 125mm Random Orbital Sander (Body Only)
Brand: Bosch
SKU: 0601372101
Availability: BackOrder

6-speed0.95kg bare3 years (with registration)

Bosch GEX 12V-125: cordless random orbital sander, 125mm pad, 2.5mm orbit, 12,000–20,000 orbits/min, 0.95kg bare.

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£153.95at Tooled Up · + £5.95 delivery · Available to order

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125mm

Pad size

2.5mm

Orbit

0.95kg

Weight (bare)

2.4m/s²

Vibration

Where it sits among 125mm random orbital sanders

Scaled against the 38 random orbital sanders with a 125mm pad we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Orbit2.5mm

2mm lowestFestool ETSC 125highest 5mmMirka DEROS II 550

Weight (bare)0.95kg

0.9kg lightestFestool ETSC 125heaviest 1.9kgBosch Green PEX 400 AE

Vibration2.4m/s²

1.5m/s² lowestBosch GEX 18V-125highest 9.0m/s²Bosch Green PEX 300 AE

Top speed20,000opm

10,000opm lowestMakita BO001CGhighest 26,000opmEinhell TC-RS 425 E

Compare it with: + Makita BO5030 + Bosch Green PEX 400 AE + DeWalt DWE6423 + HiKOKI SV13YA

Full specs

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

Pad & Sanding

MotionRandom orbit

Pad size125 mm

Orbit2.5 mm

Abrasive fixingHook and loop

Physical & Build

Weight (bare)0.95 kg

Weight (with battery)1.13 kg

Noise level<70 dB(A) LpA

Vibration (sanding)2.4 m/s²

Speed & Control

Top speed (orbits)20,000 opm

Lowest speed (orbits)12,000 opm

Top speed (rpm)10,000 rpm

Lowest speed (rpm)6,000 rpm

Speed dial positions6

Variable speed✓ Yes

Constant speed electronics✓ Yes

Power & Motor

Voltage12V

MotorBrushless

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 1.13kg from £46.99at Machine Mart + £4.99 delivery View at Machine Mart ›

GBA12V-30 3.0Ah · 36Wh 0.18kg 1.13kg from £55.00at Machine Mart + £4.99 delivery View at Machine Mart ›

GBA12V-60 6.0Ah · 72Wh 0.39kg 1.34kg 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.