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20V Brushless Angle Grinder from China Suppliers - 8500 RPM, 115mm Capacity, Professional Industrial Factory Tool

Introducing the KAG71801, a professional-grade **20V brushless angle grinder** perfect for heavy-duty metalworking and construction applications. This powerful tool features a high-torque **4835 brushless motor** that delivers an impressive **8500 RPM** and is designed to accommodate **115mm (4.5) wheels** for efficient cutting and grinding. Key aspects include a **soft start** for a smoother user experience, **anti-restart protection** enhancing safety, and a detachable auxiliary handle that ensures superior control during operation. The robust **aluminum head shell** adds durability, making it a reliable choice for those in need of long-lasting performance. Sourced from trusted China suppliers and manufactured in a state-of-the-art factory, the KAG71801 is ideal for applications in metal fabrication, pipefitting, and industrial maintenance

    Product Description

    High-Power Brushless Motor & Professional Construction

    Designed for rigorous applications, the KAG71801 is powered by a robust 4835 all-copper brushless motor. This technology provides superior torque, enhanced energy efficiency, and exceptional durability, far outperforming standard copper-clad aluminum motors prone to overheating. The motor is housed within a durable aluminum head shell supported by high-quality alloy bearings, ensuring stable operation under load and effective circulating heat dissipation for extended continuous use and a longer service life.


    Enhanced Safety & Control Features for Demanding Work

    This grinder integrates advanced safety and user-control systems. The soft start feature reduces initial torque reaction for smoother, more controlled startup. Anti-restart protection prevents the tool from accidentally turning on if power is restored after an interruption. A removable anti-slip auxiliary handle offers multiple mounting positions for optimal two-handed control during heavy cutting or grinding. The included protective cover is essential for deflecting sparks and debris, safeguarding both the operator and the tool's internal components.


    Versatile Professional Application with Complete Kit

    As a fully functional multi-purpose tool, it handles a broad spectrum of professional tasks, primarily focused on metalwork. It is ideally suited for:

    • Metal Cutting: Severing pipes, rebar, conduit, and sheet metal.
    • Metal Grinding: Removing weld seams, smoothing edges, and eliminating rust.
    • Surface Preparation: Utilizing sanding or flap discs for finishing.

    The comprehensive kit includes essential accessories for immediate operation: abrasive discs, a spanner, auxiliary handle, battery, charger, and protective cover.


    Ergonomic Design & Flexible Power System

    Built for professional comfort, the tool features a soft-grip main handle to reduce vibration transmission and user fatigue. Clear power indicators on the battery pack allow for easy runtime management. It operates on a versatile 20V battery platform, compatible with 2.0Ah, 3.0Ah, and 4.0Ah packs (all with standard electrical protections), enabling users to choose the optimal balance of runtime and weight for their specific job requirements.


    Technical Specifications
    Model KAG71801
    Motor Type Brushless Motor (Model 4835)
    Voltage 20V DC
    No-load Speed 8,500 RPM
    Max Wheel Diameter 115 mm (4.5 Inches)
    Max Wheel Thickness 6 mm
    Spindle Thread M14
    Key Features Soft Start, Anti-Restart, Auxiliary Handle, Aluminum Head, Protective Cover
    Battery Options 2.0Ah / 3.0Ah / 4.0Ah Lithium-Ion
    Charging Time 1–2 hours
    Product Weight 2.281 kg
    Product Dimensions 385 × 210 × 125 mm
    Included Grinder, Abrasive Discs, Spanner, Auxiliary Handle, Protective Cover, Battery, Charger
    Customization Full OEM/ODM support available
    The KAG71801 Brushless Angle Grinder represents a professional commitment to power, safety, and durability. Its combination of a high-torque brushless motor, critical safety features like soft start and anti-restart, and a complete ready-to-work kit makes it a reliable and efficient choice for metalworkers, construction crews, and industrial maintenance teams tackling the toughest jobs. We welcome collaboration to customize this robust tool for your brand.
    Frequently Asked Questions
    Q What makes the KAG71801 brushless motor better than a standard brushed motor?
    The KAG71801 uses a 4835 all-copper brushless motor, which eliminates carbon brush friction and wear. This results in greater energy efficiency, higher torque output, significantly less heat generation, and a much longer overall service life compared to conventional brushed or copper-clad aluminum motors.
    Q What battery sizes are compatible with the KAG71801?
    The KAG71801 operates on a 20V battery platform and is compatible with 2.0Ah, 3.0Ah, and 4.0Ah lithium-ion battery packs. All compatible packs include standard electrical protections. Users can select the pack size that best balances runtime and tool weight for their specific application.
    Q What safety features does the KAG71801 include?
    The grinder features two key active safety systems: a soft start function that gradually ramps up motor speed to reduce startup torque kick, and anti-restart protection that prevents the tool from unexpectedly powering on if the power supply is interrupted and then restored. A protective cover and anti-slip auxiliary handle further enhance operator safety during use.
    Q What tasks can the KAG71801 angle grinder handle?
    The KAG71801 is a versatile professional tool designed primarily for metalwork. It is capable of metal cutting (pipes, rebar, conduit, sheet metal), metal grinding (weld seam removal, rust elimination, edge smoothing), and surface preparation tasks using sanding or flap discs. It accepts standard 115mm (4.5-inch) discs with an M14 spindle thread.
    Q What accessories are included in the KAG71801 kit?
    The KAG71801 ships as a complete ready-to-work kit that includes: the angle grinder unit, abrasive discs, a spanner, a removable anti-slip auxiliary handle, a protective cover, a lithium-ion battery pack, and a charger. Everything needed for immediate professional operation is included in the package.
    Q Is OEM or ODM customization available for the KAG71801?
    Yes. Full OEM and ODM support is available for the KAG71801. Businesses and brands are welcome to collaborate on custom branding, packaging, specifications, or product modifications. Please contact us directly to discuss your specific customization requirements and explore partnership opportunities.