The DW831 is a corded 5-in. medium angle grinder with a 12 Amp motor delivering 11,000 RPM for fast material removal on metal and masonry. It includes a keyless adjustable guard and a 2-position side handle for a secure grip in multiple orientations. The plug-in AC power source eliminates runtime concerns for continuous heavy use. Compatible with standard 5-in. Type 27 wheels. Carries DEWALT's 3-year limited tool warranty.
What disc size does the DW831 use?
The DW831 uses 5-in. (125mm) grinding and cutting wheels. This mid-size format balances material removal rate with maneuverability compared to 4.5-in. and 7-in. grinders.
How many amps does the DW831 draw?
The DW831 uses a 12 Amp motor delivering 11,000 RPM. This is a high-powered corded motor suited for continuous grinding on metal and masonry.
Is the DW831 suitable for sustained heavy use?
Yes. As a corded grinder, the DW831 has no battery runtime limits. The 12 Amp motor provides consistent power for extended metal grinding, cutting, and surface preparation tasks.
Does the DW831 include a grinding wheel?
Yes. The DW831 ships with a grinding wheel in addition to the guard, backing flange, clamp nut, side handle, and wrench.
What type of guard does the DW831 have?
The DW831 includes a keyless adjustable guard, which can be repositioned without tools for convenience when switching between grinding and cutting applications.
How does the DW831 compare to DEWALT cordless grinders?
The DW831 provides unlimited runtime with consistent 12 Amp AC power, which is an advantage for heavy continuous use. Cordless options like the DCG412B offer mobility but with finite battery runtime.
# DEWALT® 5-in. (125mm) Medium Angle Grinder **Model:** `DW831` **Brand:** DEWALT **Category:** Angle Grinder > The DW831 is a corded 5-in. medium angle grinder with a 12 Amp motor delivering 11,000 RPM for fast material removal on metal and masonry. It includes a keyless adjustable guard and a 2-position side handle for a secure grip in multiple orientations. The plug-in AC power source eliminates runtime concerns for continuous heavy use. Compatible with standard 5-in. Type 27 wheels. Carries DEWALT's 3-year limited tool warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Angle Grinder | | Cordless / Corded | Corded | | Power Source | AC | | Height (in.) | 5.6 | | Length (in.) | 18.2 | | Weight (lbs) | 8.3 | | Width (in.) | 6.25 | | Country of Origin | China | | Barcode (UPC) | 028875108317 | | Disc Diameter In | 5 | | No-Load Speed (RPM) | 11,000 | | Amps | 12 | | Warranty | 3-year limited (tool) | ## What's Included - (1) DW831 5-in. Medium Angle Grinder - (1) Wrench - (1) Backing Flange - (1) Clamp Nut - (1) Keyless Adjustable Guard - (1) 2-Position Side Handle - (1) Grinding Wheel Source: https://www.jaspecs.com/dewalt/angle-grinder/dw831-dewalt-5-125mm-medium-angle-grinder/