Discs, Safety and How-To
How to Change a Disc on an Angle Grinder
Learn how to change a disc on an angle grinder safely: unplug it, press the spindle lock, turn the wrench, fit the new wheel, and check it spins free.
Pick the right angle grinder for the job in your garage
Plain picks and side-by-side matchups for angle grinders from DeWalt, Milwaukee, Makita and Bosch, plus bench and die grinders, sanders and rotary tools. Start with a roundup, a model matchup or a how-to.
Latest guides
Angle Grinder Picks and MatchupsBest Angle Grinders for Cutting Tile
Find the best angle grinder for cutting tile. Compare corded and cordless picks, disc sizes, spindle nut access and guard choices for clean tile cuts.
- Angle Grinder Picks and Matchups
Best Angle Grinders for Cutting Concrete
Compare 7 angle grinders for concrete cutting, from 12000 RPM corded picks to a cordless brushless model, with guards, disc guidance and safety checks.
- Discs, Safety and How-To
How Much Does an Angle Grinder Cost?
How much does an angle grinder cost? Most buyers spend budget to mid-range money on a corded 4-1/2 inch grinder; size, power and cordless kits move the total.
Discs, Safety and How-ToWhat Amp Angle Grinder Do You Need?
What amp angle grinder do I need? Match 7, 11 and 13 amp motors to 4-1/2 and 7 inch wheels, duty cycle, disc type and the outlet or generator you plan to run it from.
Angle Grinder Picks and MatchupsMakita 9557PBX1 Review
Makita 9557PBX1 review: check the 7.5 amp motor, 11,000 rpm speed, paddle switch and kit contents, plus when the 7-inch GA7021 makes more sense.
Angle Grinder Picks and MatchupsAngle Grinder Paddle Switch vs Slide Switch: Which Is Safer?
Angle grinder paddle switch vs slide switch: how each one shuts off, which is safer for most work, and the grinders we would pick for each switch type.
- Discs, Safety and How-To
How to Use a Flap Disc on an Angle Grinder
How to use a flap disc on angle grinder safely: mount it right, set the angle, control speed and pressure, and finish a clean surface without burning the metal.
Angle Grinder Picks and MatchupsBest Mini Cordless Angle Grinders: How to Choose
How to choose the best mini angle grinder cordless pick: compare voltage, wheel size, speed, batteries and guards for cutting metal, tile and pipe.