Best Chicago Pneumatic Power Grinders in 2026

SECURE: For user protection, this cordless grinder was engineered with a tool-less quick-change, burst-resistant wheel guard and restart protection to avoid accidental startup.

PRECISION: The Bosch GWS18V-45 18V Angle Grinder provides outstanding cutting ability and is optimized for metal applications.

OVERLOAD PROTECTION: reduces the risk of the motor overloading or overheating

SOFT-START TECHNOLOGY: reduces startup torque to ease into cuts

INCLUDES: (1) side handle, (1) grinding guard, (1) lock nut, (1) backing flange and (1) lock nut wrench)

GripZone over-mold for improved comfort with a positive grip

EFFICIENT BRUSHLESS MOTOR: maximizes battery runtime in extended applications

RESTART PROTECTION: helps prevent accidental tool startup when switching batteries

OVERLOAD PROTECTION: reduces the risk of the motor overloading or overheating

INNOVATIVE SPINDLE-LOCK DESIGN: provides fast wheel change, with a spindle-clip release

FAST BRAKING TIME: wheel stops in less than a second after the grinder is turned off

SAFETY: Zero voltage safety reset prevents accidental start-up when inserting a charged battery

HANDLE: Elastomer covered multi-position side handle for a less fatiguing and slip-resistant grip

Cordless Angle Grinder (Bare Tool Only)

PROTECTION: The angle grinder also features drop control which shuts the tool off after accidentally being dropped on the floor, for increased user protection, as well as Kickback Control to reduce the hazard of sudden tool reactions in binding conditions

COMFORT: The Bosch GWS18V-45CN angle grinder offers comfort with a dual side, Vibration Control handle with an ergonomic, soft-grip design

Onboard spanner wrench conveniently located in the side handle for easy access

Tool-free accessory wheel removal for quick and easy wheel changes

Included components: Grinder Only, Bare Tool

Voltage: 18.0 volts

Power source type: Battery Powered

PROTECTION: The angle grinder also features drop control which shuts the tool off after accidentally being dropped on the floor, for increased user protection, as well as Kickback Control to reduce the hazard of sudden tool reactions in binding conditions

COMFORT: The Bosch GWS18V-45PCN angle grinder offers comfort with a dual side, Vibration Control handle with an ergonomic, soft-grip design, and a no lock-on paddle switch.

CONVENIENCE: 3-Position side handle offers ultimate ease

VERSATRACK COMPATIBLE: Use the clips (sold separately) to hang this tool directly on the VERSATRACK Wall Organization System (sold separately)

BRUSHLESS MOTOR: provides equivalent 8.0 amps of power and greater efficiency that maximizes runtime and productivity

RESTART PROTECTION: helps prevent accidental tool startup when switching batteries

INCLUDES: X-LOCK grinder, (1) side handle, (1) grinding guard and (1) X-LOCK grinding wheel

User control and portability - The grinder features a narrow grip zone, for user control and ergonomics. The GWS18V-8 also features a soft-grip design, which provides best user comfort.

Professional performance - The brushless grinder features an efficient 18V motor for equivalent 8.0 amps of power and spiral bevel gears. It provides a robust 11,000 no-load rpm, to perform professional cutting and grinding applications.

Advanced electronics - With restart protection, this grinder helps prevent accidental tool startup when switching batteries. It has soft-start technology, which reduces startup torque to ease into cuts.

RESTART PROTECTION: Helps prevent accidental tool startup if the supply of power is interrupted

BITURBO BRUSHLESS TECHNOLOGY: Featuring a brushless high-performance motor and drive-train system engineered to take full advantage of the additional power generated by core18v high power batteries (sold separately)

BRAKE SYSTEM: Helps provide a rapid stop of the wheel when the switch is turned off

SPIRAL BEVEL GEARS: Provide smooth transmission of power to grinding applications

VIBRATION CONTROL AUXILIARY HANDLE: Allows for improved user comfort and control

BOSCH 18V CORDLESS POWER TOOLS ARE COVERED BY A FIVE YEAR LIMITED WARRANTY: For details, visit https://rb-pt.io/powertoolwarranty or call 1-877-bosch99

ALL BOSCH 18V PROFACTOR CORDLESS POWER TOOLS ARE BACKED BY A 180-DAY NO-QUESTIONS-ASKED RETURN GUARANTEE

DROP CONTROL: helps shut the grinder off after accidentally dropping the tool on the floor

KICKBACK CONTROL: helps shut off the tool if the wheel gets into a binding situation

SPIRAL BEVEL GEARS: provides smooth transmission of power to grinding applications

【What’s Included】You will get: 1 × 4-1/2″ cordless angle grinder, 1 × side handle, 1 × accessory wrench, 5 × 4-1/2″ grinding wheels (60 grit), 5 × 4-1/2″ cutting wheels, 1 × cutting wheel guard, 1 × grinding wheel guard, and 1 × operator’s manual. Note: Battery & Charger Not Included. Litheli offers a 5-year tool warranty warranty. If you have any concerns, feel free to contact us. We will response within 24 hours.

100% ball bearing construction for extra durability and longer tool life

Bare Tool

Dust collection - reduces clean-up time and provides cleaner, safer air for user

Removable nose piece - quickly removes for flush Surfacing

Replaceable brush ring - low cost maintenance vs. Competition

AUTO CLEANING: With automatic filter cleaning, the Bosch VAC090AH dust extractor cleans the filter every 15 seconds to help maintain maximum suction power

PERFORMANCE: The included HEPA filter caputres 99.97 percent of particles at 0.3 microns or larger while the included fleece filter bag helps to protect the filter and provides the optimal containment of dry dust and debris

OSHA COMPLIANT: Featuring Bosch PRO plus GUARD, an end to end dust collection system to help users move toward OSHA Silica Table 1 dust compliance

BITURBO BRUSHLESS TECHNOLOGY: Featuring a brushless high-performance motor and drive-train system engineered to take full advantage of the additional power generated by CORE18V High Power batteries (sold separately)

BRAKE SYSTEM: Helps provide a rapid stop of the wheel when the switch is turned off

SPIRAL BEVEL GEARS: Provide smooth transmission of power to grinding applications

VIBRATION CONTROL AUXILIARY HANDLE: Allows for improved user comfort and control

MULTI-GRIP PADDLE SWITCH: Provides increased grip options for better comfort and control

Bosch 18V cordless power tools are covered by a five year limited warranty -

All Bosch 18V PROFACTOR cordless power tools are backed by a 180-day no-questions-asked return guarantee

BITURBO BRUSHLESS TECHNOLOGY: Featuring a brushless high-performance motor and drive-train system engineered to take full advantage of the additional power generated by CORE18V High Power batteries (sold separately)

MULTI-GRIP PADDLE SWITCH: Provides increased grip options for better comfort and control

X-BRAKE: Helps provide a rapid stop of the wheel when the switch is turned off

KICKBACK CONTROL: Helps shut off the tool if the wheel gets into a binding situation

RESTART PROTECTION: Helps prevent accidental tool startup if the supply of power is interrupted

Bosch 18V cordless power tools are covered by a five year limited warranty -

All Bosch 18V PROFACTOR cordless power tools are backed by a 180-day no-questions-asked return guarantee

For masonry and concrete demolition

Designed for use with SDS-max hammers

High-quality hammer steel for durability

RAPIDSTOP Brake stops most wheels in less than 2 seconds

LED Work Light, Maximizing Visibility

ONE-KEY Tracking and Tool Management

Spindle Lock, One Wrench Accessory Change

Paddle Switch Design for Increased Comfort and Ease-Of-Use when Operating in Various Positions

Fits all 1/4" Shank Accessories

20,000 RPM Brushless Motor is designed to deliver corded performance with 2" Cutting Wheel and 3" Sanding Wheel l Compatibility

Dust collection - reduces clean-up time and provides cleaner, safer air for user

Removable nose piece - quickly removes for flush Surfacing

Replaceable brush ring - low cost maintenance vs. Competition

AUTO CLEANING: With automatic filter cleaning, the Bosch VAC090AH dust extractor cleans the filter every 15 seconds to help maintain maximum suction power

PERFORMANCE: The included HEPA filter caputres 99.97 percent of particles at 0.3 microns or larger while the included fleece filter bag helps to protect the filter and provides the optimal containment of dry dust and debris

OSHA COMPLIANT: Featuring Bosch PRO plus GUARD, an end to end dust collection system to help users move toward OSHA Silica Table 1 dust compliance

Removable nose piece - quickly removes for flush Surfacing

AUTO CLEANING: With automatic filter cleaning, the Bosch VAC090AH dust extractor cleans the filter every 15 seconds to help maintain maximum suction power

PERFORMANCE: The included HEPA filter caputres 99.97 percent of particles at 0.3 microns or larger while the included fleece filter bag helps to protect the filter and provides the optimal containment of dry dust and debris

DOUBLE ROW SEGMENTS: features 18 segments for quick removal and smoother finish of concrete, masonry and thinset/mortar

DIAMOND SEGMENTS: provide 50% longer life than the previous-generation version

Removable nose piece - quickly removes for flush Surfacing

AUTO CLEANING: With automatic filter cleaning, the Bosch VAC090AH dust extractor cleans the filter every 15 seconds to help maintain maximum suction power

PERFORMANCE: The included HEPA filter caputres 99.97 percent of particles at 0.3 microns or larger while the included fleece filter bag helps to protect the filter and provides the optimal containment of dry dust and debris

DOUBLE ROW SEGMENTS: features 18 segments for quick removal and smoother finish of concrete, masonry and thinset/mortar

DIAMOND SEGMENTS: provide 50% longer life than the previous-generation version

The Dimpler is reversible, while chucked, push in, then turn to lock for reverse feature.

Preset to drive screws to the perfect depth

Features an automatic clutch release to eliminate drywall tear-out

EC BRUSHLESS MOTOR: Provides greater efficiency that maximizes runtime and productivity

X-BRAKE: Helps provide a rapid stop of the wheel when the switch is turned off

DROP CONTROL: Helps shut the grinder off after accidentally dropping the tool on the floor

KICKBACK CONTROL: Helps shut off the tool if the wheel gets into a bind situation

RESTART PROTECTION: Helps prevent accidental tool startup if the supply of power is interrupted

BOSCH 18V CORDLESS POWER TOOLS ARE COVERED BY A FIVE YEAR LIMITED WARRANTY: For details, visit https://rb-pt.io/powertoolwarranty or call 1-877-bosch99

SOFT-START TECHNOLOGY: Reduces startup torque to ease into cuts