ID AIG100 4" PNEUMATIC ANGLE GRINDER MACHINE [AIR TOOL] - 26855
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Professional Air-Powered Grinding Performance — Built for the Toughest Jobs
The ID AIG100 Pneumatic Angle Grinder is a professional-grade air-powered angle grinder engineered for demanding metalworking, cutting, grinding, and polishing applications. Driven by a high-efficiency pneumatic motor operating at 10,000 RPM and compatible with blades up to 127mm (5"), this air tool delivers consistent, high-torque performance in automotive workshops, fabrication shops, and construction environments. At just 1.76 kg and 228mm in length, it combines a compact, ergonomic form factor with the raw power professionals demand.
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- High-Speed Pneumatic Motor at 10,000 RPM: The AIG100 operates at a rated free speed of 10,000 RPM, delivering aggressive and consistent material removal on steel, iron, aluminium, stone, and masonry. The pneumatic drive eliminates motor heat build-up common in electric grinders, allowing for extended continuous use without performance degradation — ideal for production environments and heavy-duty fabrication tasks.
- Dual Disc Compatibility — 4" and 5" Blades: Accepts grinding wheels and cutting discs with a maximum blade diameter of 101.6mm (4") or 127mm (5"), giving operators the flexibility to switch between aggressive stock removal and precision cutting. The included 4" grinding wheel gets you started immediately, while the adjustable guard ensures safe operation across both disc sizes.
- 90° Right-Angle Head for Precision Access: The 90-degree angle head allows the grinder to reach confined areas, weld joints, pipe intersections, and recessed surfaces that straight grinders cannot access. This geometry is critical for automotive panel work, structural steel fabrication, and any application requiring flush grinding along edges or in corners.
- Optimised Air Consumption and Pressure Range: Requires an average air consumption of 6 CFM (169 L/min) at a maximum operating pressure of 90 PSI (6.3 kg/cm²), making it compatible with most workshop compressors. The 1/4" BSP air inlet connects directly to standard airline fittings, and the included Japanese connector ensures a secure, leak-free coupling for consistent airflow and stable RPM under load.
- Compact, Balanced, and Operator-Friendly Design: Weighing only 1.76 kg with an overall length of 228mm, the AIG100 is engineered for all-day use without operator fatigue. The removable side handle provides two-handed stability during heavy grinding passes, while the compact body allows single-hand manoeuvring for detail work. The tool ships complete with a machine, guide book, small wrench, big wrench, Japanese connector, 4" grinding wheel, and handle — everything needed to begin work immediately upon delivery. It carries the CB (Comprehensive Machine Test) and GS (Geprüfte Sicherheit) certifications, confirming it meets rigorous international safety and performance standards for professional use.
General Purchase & Comparison Queries
How does the AIG100 compare to an electric angle grinder?
The AIG100 pneumatic angle grinder offers several advantages over electric models in professional settings. Because it is powered by compressed air rather than an electric motor, it generates significantly less heat during extended operation, making it suitable for continuous heavy-duty use. It is also lighter — at just 1.76 kg — than most comparable electric grinders, reducing fatigue during prolonged tasks. Electric grinders are better suited for locations without a compressor, but for workshop and industrial environments with an existing air supply, the AIG100 delivers superior power-to-weight ratio and longevity.
What compressor do I need to run the AIG100?
The AIG100 requires a compressor capable of delivering at least 6 CFM (169 L/min) of sustained airflow at a working pressure of up to 90 PSI (6.3 kg/cm²). A compressor with a tank capacity of 50 litres or more and a motor rated at 2 HP or above is generally sufficient for continuous grinding tasks. Ensure your airline and fittings are rated for the required pressure, and use the included 1/4" Japanese connector for a secure, leak-free connection.
Is the AIG100 suitable for professional and industrial use?
Yes. The AIG100 is designed and certified for professional and industrial applications. It carries the CB (Comprehensive Machine Test) and GS (Geprüfte Sicherheit) certifications, confirming compliance with international safety and performance standards. Its 10,000 RPM motor, dual disc compatibility, and robust construction make it a reliable choice for automotive workshops, metal fabrication facilities, construction sites, and industrial maintenance operations.
Product-Specific and Usage Queries
What disc sizes are compatible with the AIG100?
The AIG100 is compatible with grinding and cutting discs up to 101.6mm (4") and 127mm (5") in diameter. A 4" grinding wheel is included in the package. When changing discs, use the included small and big wrenches to safely secure the disc to the spindle. Always ensure the disc's rated RPM is equal to or greater than the tool's 10,000 RPM free speed before use.
What is the air inlet size and connector type for the AIG100?
The AIG100 features a standard 1/4" air inlet. The package includes a Japanese connector for quick and secure coupling to your airline. This connector type is widely compatible with most workshop air hose systems. Ensure all connections are tight and the airline is rated for at least 90 PSI to maintain safe and optimal operating conditions.
Can the AIG100 be used for cutting as well as grinding?
Yes. The AIG100's 90° angle head and compatibility with both 4" and 5" discs make it suitable for cutting, grinding, and surface finishing tasks. By fitting an appropriate cutting disc (sold separately), operators can cut through metal sheet, rebar, pipe, tile, and masonry. For grinding and weld seam removal, a standard grinding wheel is used. Always fit the appropriate guard configuration for the disc type being used.
Problem/Solution-Oriented Queries
The grinder is losing speed under load — what should I check?
Speed loss under load is most commonly caused by insufficient air supply. Check that your compressor is delivering at least 6 CFM (169 L/min) at 90 PSI and that the airline diameter is adequate (minimum 8mm internal diameter recommended). Also inspect the 1/4" air inlet connection and Japanese connector for leaks or partial blockages. If the air supply is adequate, check that the grinding disc is not worn or glazed, as a dull disc increases resistance and reduces effective cutting speed.
How do I reduce vibration and fatigue when using the AIG100 for extended periods?
Always attach the included side handle when performing heavy grinding passes — this distributes grip force across both hands and significantly reduces wrist and arm fatigue. Ensure the grinding disc is properly balanced and securely tightened using the provided wrenches, as a loose or unbalanced disc is a primary cause of excessive vibration. Maintain consistent air pressure at or below 90 PSI; over-pressurising the tool can increase vibration and accelerate wear. Take regular breaks during extended sessions and inspect the disc for wear or damage before each use.
What maintenance does the AIG100 require to stay in optimal condition?
Pneumatic tools require regular lubrication to maintain performance and extend service life. Add a few drops of pneumatic tool oil into the air inlet before each use, or use an inline oiler fitted to your airline. After use, disconnect the air supply and run the tool briefly to clear moisture from the motor. Periodically inspect the air inlet filter for debris and clean or replace as needed. Store the AIG100 in a dry environment and refer to the included guide book for full maintenance intervals and procedures.
Machine (1 Pcs), Guide Book (1 Pcs), Small Wrench(1 Pcs), Big Wrench(1 Pcs), Japanese Connector (1 Pcs), 4'' Gringing Wheel (1 Pcs), Handle (1 Pcs)