Stanley FatMax V20 SFMCG400 18V Cordless Angle Grinder 125mm

The Stanley FatMax SFMCG400 (101004396) is an 18V cordless angle grinder taking 125mm (5") discs. It runs on the Stanley FatMax V20 lithium-ion battery platform and suits tradespeople and serious DIY users who need a reliable cordless grinder for cutting, grinding and wire brushing.

The brushed motor spins at 9,000 RPM no load speed. It takes any Stanley FatMax V20 battery. The V20 batteries use improved lithium-ion technology with no memory effect and very little self-discharge. Illuminated fuel gauges let you check remaining charge at the press of a button. Batteries are not included this is a body only tool.

The lock-on switch keeps the grinder running without holding the trigger, reducing hand fatigue on long jobs. The side handle fits in three positions left, right or top of the gear housing giving good control across different cuts. The cast metal gear housing is built to dissipate heat during extended use. The handle also stores the included pin spanner.

This grinder covers cutting, grinding and wire brushing up to 125mm disc diameter. The V20 battery compatibility means it works across the full Stanley FatMax cordless range. Backed by a Stanley manufacturer warranty covering all manufacturing defects for the normal lifetime of the tool.

The SFMCG400 uses a brushed motor running at 9,000 RPM no load speed. Brushed motors are proven and straightforward but will wear brushes over time compared to brushless designs. The 125mm disc size suits a wide range of cutting and grinding tasks. The cast metal gear housing actively dissipates heat, which matters on longer continuous jobs. It runs on the Stanley FatMax V20 18V lithium-ion platform the same batteries power other tools in the V20 range. The lock-on switch holds continuous operation without trigger pressure, which is practical for extended grinding runs.

Always fit the correct guard use a grinding guard for grinding and a cutting guard for cutting discs. Check every disc is rated for at least 9,000 RPM before fitting. Use the side handle at all times and mount it in the position that gives you the most control. Wear eye protection, gloves and hearing protection. Wait for the disc to stop completely before setting the tool down. The lock-on switch is useful for long runs but disengage it immediately if control is lost.