150mm 2100W Variable Frequency Brushless – Industrial-Grade Grinding for Steel, Stone, and Foundry Work
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150mm 2100W Variable Frequency Brushless – Industrial-Grade Grinding for Steel, Stone, and Foundry Work

Views: 0     Author: Hoprio Power Tools     Publish Time: 2026-08-06      Origin: hoprio.com

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2100W Variable 7inch Frequency Brushless Angle Grinder– Industrial-Grade Grinding for Steel, Stone, and Foundry Work

For professionals in steel fabrication, stone processing, foundry rust removal, and equipment maintenance, large-surface weld grinding, thick pipe cutting, and stone slotting and polishing are daily tasks. Smaller 100mm or 125mm angle grinders often require repeated passes, consuming both time and abrasive discs. Conventional brushed models tend to overheat, lose speed, and need frequent carbon brush replacements after just half an hour of continuous use—delaying project schedules and driving up consumable costs.

As a core industrial model from HOPRIO, the 150mm brushless angle grinder directly addresses the pain points of heavy-duty work. It applies self-developed variable frequency brushless technology to demanding grinding scenarios, handling cutting, coarse grinding, rust removal, and polishing with a single tool.

20260806 150mm angle grinder

The 150mm wheel diameter is a practical choice for heavy industrial applications, offering greater cutting depth and surface coverage than smaller models. One tool can replace multiple others, reducing equipment procurement costs for work teams:

- Steel fabrication and metalworking: H-beam weld grinding, thick pipe cutting, rust and scale removal from structural steel—coarse grinding covers large areas in a single pass.

- Stone processing and construction: Cutting and grinding marble and engineered stone, concrete slotting, and floor coarse polishing.

- Foundry and mechanical maintenance: Casting flash removal, equipment base rust removal, flange surface polishing.

- Facility maintenance and pipework: Bevel grinding on metal pipes, cutting and refurbishing old structural components.

Safety Systems Built for the Job Site

The HOPRIO 150mm grinder is equipped with a comprehensive intelligent protection system to guard against wheel binding, kickback, and overheating:

- Soft start: Gradual speed ramp-up minimizes start-up shock and kickback, making the tool manageable even for less experienced operators.

- Power-off protection: After an unexpected power outage, the tool will not restart automatically when power is restored—preventing accidental injury.

- Overload and over-temperature protection: Automatic power cutoff when the wheel binds or the tool overheats, protecting both the motor and the operator.

- Fault indicator light: Flashing patterns distinguish between over-temperature, overload, and circuit faults, simplifying diagnosis and reducing repair time.

- Adjustable guard and spindle lock: The guard angle can be adjusted as needed; the spindle lock allows quick, one-handed disc changes while containing sparks.

20260806 150mm angle grinder2

A Complete Range for Every Application

HOPRIO brushless angle grinder series covers 100mm, 125mm, 150mm, 180mm, and 230mm models—from light finishing and medium-duty renovation to heavy industrial coarse grinding. One source equips an entire job site.

With years of experience in variable frequency brushless power tools, HOPRIO leverages Hoprio Holdings' full motor and control electronics supply chain. Every industrial-grade tool is designed and refined based on real working conditions—no compromises, no inflated specifications.


HOPRIO group a professional manufacturer of controller and motors, was established in 2000. Group headquarters in Changzhou City, Jiangsu Province.

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