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M18 · Brushless

M18 FSAG115XB Angle grinder No product photo yet

Angle Grinders · Milwaukee M18

Milwaukee M18 FSAG115XB 18V FUEL Brushless 115mm Slide Switch Angle Grinder (Body Only)

2kg bare18V3 years (with registration)

18V M18 FUEL brushless 115mm angle grinder. 8500rpm, M14 spindle with FIXTEC tool-free nut. Slide switch. Anti-Kickback, brake and soft start. Body only.

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115mm

Disc

8,500rpm

Max speed

2kg

Weight (bare)

Where it sits among 115mm angle grinders

Scaled against the 41 angle grinders with a 115mm disc we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Max speed8,500rpm

8,500rpm lowestThis onehighest 12,000rpmEinhell TC-AG 115/750

Weight (bare)2kg

1.21kg lightestEinhell TE-AG 18/115 Liheaviest 2.5kgMakita GA4540C

Noise (LpA)82.6dB(A)

75.1dB(A) lowestEinhell TC-AG 18/115 Lihighest 95dB(A)Bosch GWX 9-115 S

Compare it with: + Bosch Green PWS 18V-70 + Makita DGA452 + Einhell TC-AG 18/115 Li + DeWalt DCG413

Full specs

From Milwaukee's own documentation. Checked 12/06/2026. Report a spec error ›

Disc & Cutting

Disc diameter115 mm

Disc bore22.23 mm

Disc mount systemM14 (Standard)

Spindle threadM14

Voltage18V

Extractor auto-startNo

Year released2021

Safety

Electronic brake✓ Yes

Soft start✓ Yes

Electronic kickback brake✓ Yes

Kickback technologyAnti-Kickback Protection

Overload protection✓ Yes

Tool-free nutFIXTEC (tool-free nut)

Performance

No-load speed8,500 rpm

MotorBrushless

Handle & Control

Switch typeSlide

Side handle✓ Yes

Lock wrench✓ Yes

Physical & Build

Weight (bare)2 kg

Weight (with battery)2.7 kg

Noise level82.6 dB(A) LpA / 93.6 dB(A) LwA

Vibration4.3 m/s²

The verdictOur take

Milwaukee's entry point to the M18 FUEL grinder line, and a tidy cordless stand-in for a corded 115mm if you're already on the platform. The slide switch locks on for sustained grinding, and you still get the full safety kit: a RAPIDSTOP brake that stops the wheel in under two seconds, Anti-Kickback Protection, a FIXTEC keyless nut and REDLINK PLUS overload protection. At 4.33 m/s² it's the lower-vibration of the two 115mm models, so it's the gentler choice for longer sessions.

Powered by Milwaukee M18 · 11

All 11 batteries that fit this tool, smallest first. Kits and chargers ›

M18B2 2.0Ah · 36Wh 0.4kg 2.4kg from £56.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M18HB3 3.0Ah · 54Wh 0.7kg 2.7kg from £64.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M18B4 4.0Ah · 72Wh 0.7kg 2.7kg from £57.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M18B5 5.0Ah · 90Wh 0.7kg 2.7kg from £59.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M18B5-CR 5.0Ah · 90Wh 0.7kg 2.7kg from £87.95at Tooled Up + £6.95 delivery View at Tooled Up ›

M18HB5 5.0Ah 0.79kg 2.79kg No retailer price yet About this battery ›

M18HB5-CR 5.0Ah 0.79kg 2.79kg No retailer price yet About this battery ›

M18HB5.5 5.5Ah · 99Wh 1.1kg 3.1kg from £99.95at 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.