6 Best Cordless Grinders of 2023

PORTER CABLE PCC761B 20-volt MAX Lithium Bare Cut Off/Grinder

PORTER CABLE PCC761B 20-volt MAX Lithium Bare Cut Off/Grinder

Features of this product:

  • High-Performance Motor produces 8,500 rpm
  • Cast metal gear housing
  • Spindle lock for quick and easy wheel changes
  • 3-Position Side Handle
  • Part of the 20V Max System

The PORTER CABLE PCC761B 20-volt MAX Lithium Bare Cut Off/Grinder is a cordless grinder that lets you customize its performance for optimal results with any project. Use the intuitive controls to select high or low fan speeds and to adjust the temperature to the right level for any task. The grinder has an integrated support stand that makes hands-free use possible.


DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2

Features of this product:

  • 8,000 RPM motor provides high power for cutting and grinding applications
  • Quick-Change Wheel Release allows for tool free wheel changes
  • 2-finger trigger switch with lock-off button
  • 2-position side handle for greater control, comfort & versatility

With the Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder, you don’t have to ever be slowed down! The guard on the grinder can be adjusted without reaching for a tool for maximum convenience. All you’re getting here is the tool itself, so if you need the other accessories such as grinding wheels, the backing flange, the handle, and the clamp nut, you’ll need to order them separately.


Makita 18-Volt LXT Lithium-Ion Cordless 4-1/2-Inch Cut-Off/Angle Grinder

Makita 18-Volt LXT Lithium-Ion Cordless 4-1/2-Inch Cut-Off/Angle Grinder

Features of this product:

  • Makita-built motor delivers 10,000 RPM for 50% faster grinding
  • Compact, ergonomic design at 12-1/2 inches long and weighs only 5.3 lbs. for reduced operator fatigue
  • A built-in L.E.D. protection circuit with over-torque control protects the motor
  • Makita LXT Lithium-Ion battery and Energy Star rated 30-Minute Rapid Optimum Charger produces 430% total lifetime work with 2.5X more cycles
  • 3-year warranty on tool
  • Makita-built motor delivers 10,000 RPM for faster grinding

A powerful 10,000 revolution per minute motor allows the Makita 18-Volt LXT Lithium-Ion Cordless 4-1/2-Inch Cut-Off/Angle Grinder to work 50 percent faster than other cordless grinders in its class, and its Rapid Optimum charger replenishes the battery power in just 30 minutes to minimize downtime when you’re on the job site.


Bare-Tool Milwaukee 18-Volt M18 4-1/2-Inch Cut-off/Grinder

Bare-Tool Milwaukee 18-Volt M18 4-1/2-Inch Cut-off/Grinder

Features of this product:

  • 4-pole motor delivers maximum power when cutting or grinding
  • Overload protection prevents damage to the tool and battery in abusive situations
  • L-shape vents keep debris from entering the tool and damaging internal components
  • Tool free, burst resistant guard allows for quick, easy guard adjustments
  • Tool only (batteries not included)

The Bare-Tool Milwaukee 18-Volt M18 4-1/2-Inch Cut-off/Grinder is an excellent investment for the beginning do it yourself enthusiast, as it’s made for foolproof operation. Its overload protection feature keeps the battery and the tool from becoming damaged if you accidentally use the tool improperly, and it allows for tool free guard adjusting.


Ryobi 18 Volt One+™ 4-1/2 Inch Angle Grinder

Ryobi 18 Volt One+™ 4-1/2″ Angle Grinder

Features of this product:

  • 18-volt tool for high power applications – Works with all Ryobi 18-volt ONE+ batteries and charger
  • Delivers up to 6,500 RPM for speed and precision
  • Convenient and intuitive trigger switch – Tool-free guard makes guard positioning easy
  • Onboard spanner wrench conveniently located in the side handle for easy access
  • GripZoneTM overmold for improved comfort with a positive grip – 3-position side handle

The Ryobi 18 Volt One+TM 4-1/2″ Angle Grinder has a unique design that maximizes user comfort to keep you from becoming fatigued when working on lengthy projects. The Grip-Zone over mold covers the handle and gives you the perfect place to grip, and the side handle adjusts through three positions.


Bare-Tool Hitachi 18-Volt Lithium-Ion 4-1/2-Inch Angle Grinder

Bare-Tool Hitachi 18-Volt Lithium-Ion 4-1/2-Inch Angle Grinder

Features of this product:

  • Tool body compatible with all Hitachi Lithium Ion, NiCd and NiMH 18V post-style batteries
  • High torque motor with no-load speed of 9,100 RPM to power through tough cutting and grinding applications
  • Slim body design with soft touch grip for improved control and comfort
  • Slide switch with quick off feature to immediately shut tool down for added safety
  • Removable side handle improves comfort and control

The Bare-Tool Hitachi 18-Volt Lithium-Ion 4-1/2-Inch Angle Grinder is a convenient cordless grinder that can be used with a number of different Hitachi rechargeable batteries for versatility. The grinder is ultra powerful and capable of reaching top free speeds of 9,100 revolutions per minute. The easy to access slide switch helps to ensure safe operation.