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ID AG812HQ [BLUE] 4.5" ELECTRIC ANGLE GRINDER MACHINE [G-240V] [DeWalt Type] - 27089
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The ID AG812HQ Blue 4.5-inch Electric Angle Grinder is a professional-grade, heavy-duty power tool engineered for demanding metalworking, cutting, grinding, and polishing applications. Powered by an 850W motor delivering 11,000 RPM, this DeWalt-type angle grinder combines raw performance with a double-insulated safety design, making it a reliable choice for both trade professionals and serious DIY users. Compatible with 115mm (4.5-inch) grinding and cutting discs, it operates on 220–240V with a Type G British 3-Pin plug, ready for use straight out of the box.
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Professional Power. Precision Control. Built to Last.
- 850W Rated Power Input at 220–240V, 50/60Hz: The AG812HQ delivers consistent, high-torque output suitable for continuous professional use. Whether cutting through steel plate or grinding down weld beads, the motor maintains stable performance under load without overheating during extended sessions.
- 11,000 RPM No-Load Motor Speed with 115mm Disc Compatibility: The high-speed spindle accepts standard 4.5-inch (115mm) grinding wheels and cutting discs with a maximum cutting depth of 34mm, giving you the versatility to tackle a wide range of materials — from mild steel and stainless to masonry and tile — with a single tool.
- Double Insulation Safety Construction: Engineered with a double-insulated body, the electrical components are completely separated from the outer housing. This eliminates the risk of electric shock, even in the event of an internal insulation failure, thereby meeting international safety standards for handheld power tools.
- Lightweight and Balanced at 1.95kg Net Weight: Weighing just 1.95kg, the AG812HQ is designed for extended use without operator fatigue. The ergonomic form factor allows for precise control during overhead work, tight-angle cuts, and detailed surface finishing tasks where accuracy matters.
- Complete Ready-to-Use Kit with Auto-Stop Carbon Brushes: The grinder ships fully equipped — the package includes the machine, a 4.5-inch grinding wheel, a 115mm wrench, an adjustable wheel guard, an auto-stop carbon brush set (which automatically cuts power when brushes wear down to protect the motor armature), and a guide book — everything needed to get to work immediately upon delivery.
General Purchase & Comparison Queries
Is the ID AG812HQ compatible with standard 4.5-inch angle grinder discs?
Yes. The AG812HQ accepts all standard 115mm (4.5-inch) grinding wheels and cutting discs with a maximum cutting capacity of 34mm. This is the most widely available disc size on the market, meaning you will have no difficulty sourcing replacement or specialty discs locally or online.
What plug type does this grinder use, and is it suitable for use in the UAE and GCC?
The AG812HQ comes fitted with a Type G British 3-Pin plug, which is the standard plug type used across the UAE, Saudi Arabia, Qatar, Bahrain, and other GCC countries. It operates on 220–240V at 50/60Hz, fully compatible with local mains power — no adapter or converter required.
How does the AG812HQ compare to other 850W angle grinders in its class?
The AG812HQ is built to a DeWalt-type form factor, offering a familiar ergonomic layout trusted by professionals. At 850W and 11,000 RPM, it sits firmly in the mid-to-high performance bracket for 4.5-inch grinders. Its key differentiators include the auto-stop carbon brush system — a feature typically found on higher-priced tools — and its double-insulated construction, which provides an additional layer of electrical safety not always present in budget alternatives.
Product-Specific and Usage Queries
What is the maximum cutting depth of the AG812HQ?
The AG812HQ has a maximum cutting capacity of 34mm when used with a compatible 115mm cutting disc. This makes it suitable for cutting through standard steel sections, pipes, rebar, angle iron, and similar materials commonly encountered in construction and fabrication work.
What does the auto-stop carbon brush set do, and why does it matter?
The auto-stop carbon brush set is a motor protection feature. Carbon brushes are the components that transfer electrical current to the motor's rotating armature. As they wear down over time with use, the auto-stop mechanism automatically cuts power to the motor before the brushes wear completely through — preventing costly armature damage. A replacement pair is included in the box, extending the working life of the tool significantly.
Can this grinder be used for polishing and surface finishing in addition to cutting and grinding?
Yes. The AG812HQ's adjustable wheel guard and variable disc compatibility allow it to be used with flap discs, fibre discs, and polishing pads (sold separately) for surface finishing, rust removal, and paint stripping. The 11,000 RPM speed is well-suited to these tasks, delivering a smooth finish on metal, stone, and concrete surfaces.
Problem/Solution-Oriented Queries
The grinder stopped working mid-use — what could be the cause?
The most common reason a grinder stops unexpectedly is worn carbon brushes triggering the auto-stop mechanism. This is a built-in safety feature, not a fault. Simply replace the carbon brushes with the spare pair included in the box. If the tool still does not operate after replacing the brushes, check that the power supply is stable and that the disc is not jammed against the workpiece. Refer to the included guide book for step-by-step brush replacement instructions.
Is the grinder safe to use if the outer casing gets wet or is exposed to moisture?
The AG812HQ features a double-insulated construction, meaning the internal electrical components are fully isolated from the outer casing. While this significantly reduces the risk of electric shock from internal insulation failure, no handheld power tool should be operated in wet conditions or submerged. Always use the tool in dry environments and store it away from moisture to maintain safe operation and prolong tool life.
The disc guard seems loose or difficult to position — how do I adjust it correctly?
The adjustable wheel guard on the AG812HQ is designed to be repositioned to suit different cutting and grinding angles. To adjust it, loosen the guard clamp (no tools required on most positions), rotate the guard to the desired angle ensuring it covers the disc toward the operator, then re-secure the clamp firmly before use. Always ensure the guard is locked in place before switching the tool on. If the guard feels loose after adjustment, inspect the clamp mechanism for wear and do not operate the tool until it is securely fixed.
Machine (1 Pcs), Guide Book (1 Pcs), A/B Washer (1 Set), Auto-stop Carbon Set (1 Pair), Side Handle (1 Pcs), Wheel Guard (1 Pcs), Lock Nut Wrench (1 Pcs), 4.5" Grinding Wheel (1 Pcs)