China Factory Wholesale High Quality 21V Brushless Motor 100mm Cordless Angle Grinder

Basic Info

Model NO. ECAG211002

Object Saw Blade

Application Construction

Disc(Wheel) Type Grinding Disc

Material Metal

Working Style High-speed universal

Disc Diameter 100mm

Variable Speed With Variable Speed

Voltage 21V

Battery Type Lithium-Ion

Motor Type Brushless Motor

No-Load Speed 0-4500/6500/9500rpm

Spindle Thread M10

Max Cutting Depth 25mm / 30mm

Max Grinding Depth 5mm / 8mm

Dust Protection Yes

Battery Capacity 2.0/3.0/4.0ah

Battery Included Customized

Switch Type Slide Switch

Lock-on Function Yes

Body Grip Soft Grip on Handle

Body Material Nylon

Package Type Color Box / Plastic Case

Transport Package PVC Box +Carton Box

Specification 100/115/125MM

Trademark OEM

HS Code 84672910

Packaging & Delivery

Package Size 67.00cm * 38.00cm * 28.00cm

Package Gross Weight 22.000kg

Product Description

21V Cordless Angle Grinder

This 21V Cordless Angle Grinder delivers powerful grinding and cutting performance without the hassle of cords. Powered by a high-capacity lithium-ion battery system, it offers exceptional runtime and consistent power output for various metalworking, construction, and renovation tasks. The brushless motor technology ensures longer tool life, reduced maintenance, and increased efficiency compared to traditional brushed motors. Ideal for professionals seeking mobility and reliable performance on job sites.

Key Features

Powerful Brushless Motor: Equipped with a high-efficiency brushless motor, this angle grinder delivers up to 8,500 RPM for fast cutting and grinding. The motor runs cooler, extends tool lifespan, and provides up to 50% longer runtime per charge compared to brushed motors.
21V High-Capacity Lithium-Ion Battery System: Compatible with all 21V slide-type lithium-ion batteries. The intelligent battery management system protects against overloading, overheating, and deep discharging, ensuring optimal performance and safety.
Tool-Free Adjustable Guard: The protective guard can be easily adjusted without additional tools, allowing quick position changes for different cutting or grinding angles, enhancing operator safety and convenience.
Variable Speed Dial: Adjust the speed from 3,000 to 8,500 RPM to match different applications and materials, providing precise control for delicate tasks or maximum power for heavy-duty jobs.
Safety & Comfort Design: Features a slide push switch on top with safety lock-off to prevent accidental starts. The slim barrel grip design and rubberized soft grip handle reduce vibration and provide comfortable control during extended use.
Durable Metal Gear Housing: The gear box is constructed from high-strength aluminum alloy for efficient heat dissipation and impact resistance, ensuring long-term durability under demanding working conditions.

Specifications

Technical Parameters
Product Name	21V Brushless motor cordless angle grinder
Keywords	Cordless angle grinder, battery grinder, cordless grinding tools, cutting tools
Material	Plastic + Aluminum
Motor Type	Brushless motor
Rated Voltage	21V
No-load Speed	4500/6500/9500rpm
Disc Diameter	100mm / 115mm / 125mm (Optional)
Spindle Thread	M10
Battery Type	Lithium-Ion
Charger	Quick charger (Included)
Battery Capacity	4.0Ah
Weight	Approx. 2.3 kg (Without Battery)
Accessories	2pcs Battery + 1 charger, PVC box packing
Charging Time	Approximately 1.5 hours, Fast Charge (60 minutes)

Detailed Photos & Features

Why Choose Our Cordless Angle Grinder?

Complete Cordless Freedom: Work anywhere without searching for power outlets or dealing with extension cords.
Professional Performance: Delivers power comparable to corded grinders with the convenience of battery operation.
Cost-Effective Solution: Brushless motor reduces maintenance costs and extends tool life.
OEM/ODM Services Available: Customize with your logo, color, or packaging for wholesale orders.

Applications

Metal Cutting and Grinding
Rust and Paint Removal
Tile and Masonry Cutting (with appropriate diamond blades)
Pipe and Rebar Cutting
Surface Preparation before Welding
Automotive Repair and Maintenance

Main Functions

The ability to switch between these functions with simple accessory changes makes this 21V Cordless Angle Grinder an essential tool for:

Contractors & Construction Workers: On-site cutting and grinding without power cords.
Metal Fabricators: Weld preparation and finishing.
Maintenance Professionals: Quick repairs and surface cleaning.
Automotive Technicians: Bodywork repair and parts preparation.
DIY Enthusiasts: Home workshops and renovation projects.

Frequently Asked Questions

What are the main product applications for this cordless angle grinder?

This tool is designed for metal cutting and grinding, rust and paint removal, tile and masonry cutting, pipe and rebar cutting, surface preparation, and automotive maintenance.

What battery capacity options are supported?

The system supports 21V lithium-ion batteries with capacities of 2.0Ah, 3.0Ah, and 4.0Ah, allowing customization based on runtime needs.

Do you offer OEM/ODM customization services?

Yes, comprehensive OEM/ODM customization is supported for bulk orders, including customized tool colors, logos, branded packaging, and certifications tailored to your target market.

What safety mechanisms are built into the tool?

It features a slide-push safety switch to prevent accidental starts, an adjustable protective guard, and intelligent battery protection against overloading and overheating.

How long does it take to charge the battery fully?

With our standard quick charger, the 4.0Ah battery can reach a full charge in approximately 1.5 hours, with rapid options taking about 60 minutes.

What after-sales support and warranty terms are provided?

We offer a 12-month warranty covering manufacturing defects, alongside online technical guidance and spare parts support.