For weld grinding, edge preparation, and surface finishing where a compact wheel diameter improves accessibility, the Ingersoll Rand G3A120PP945AV Air Angle Grinder delivers pneumatic grinding power for metal fabrication and industrial maintenance operations. Part of the G3 Series, this angle grinder features a 1.35 HP (1.0 kW) vane motor and a 12,000 RPM maximum free speed for material removal using appropriately rated grinding accessories. Its 4.5-inch (115 mm) wheel diameter provides a compact grinding configuration for working along welded joints, fabricated edges, and accessible metal surfaces. The M14 threaded spindle provides a metric mounting connection for approved abrasive wheels and mounting hardware, making accessory compatibility an important consideration when selecting wheels for this grinder.
The G3A120PP945AV combines a 9.65-inch (245 mm) overall length with a 4.81 lb (2.18 kg) tool weight, offering manageable dimensions for repeated metalworking operations. Its lightweight composite housing and ergonomically shaped body provide a secure gripping surface while helping reduce the cold sensation associated with compressed air tools. G3 Series construction is built to withstand repeated drops, chemical spills, and challenging workshop conditions. The grinder features a 3/8-inch air inlet and a 13 mm minimum hose diameter, with 15.6 L/s maximum air consumption that should be considered when sizing the compressed air supply. Its manufacturer-reported 4.8 m/s² vibration level and 88.7 dB(A) sound pressure level also provide useful information for evaluating operating conditions and workplace safety requirements.
Type: Pneumatic Angle Grinder | Model: G3A120PP945AV | Series: G3 Series | Rated Power: 1.35 HP (1.0 kW) | Maximum Free Speed: 12,000 RPM | Wheel Diameter: 4.5" (115 mm) | Spindle Thread: M14 | Configuration: Angle | Weight: 4.81 lbs (2.18 kg) | Overall Length: 9.65" (245 mm) | Maximum Air Consumption: 15.6 L/s (approximately 33.1 CFM) | Air Inlet Diameter: 3/8" | Minimum Hose Diameter: 13 mm (approximately 1/2") | Vibration Level: 4.8 m/s² | Vibration Uncertainty: 1.5 m/s² | Sound Pressure Level: 88.7 dB(A)
Features:
- Powerful vane motor delivers 1.35 HP for grinding, weld cleanup, and surface preparation in metalworking environments.
- 12,000 RPM maximum free speed supports efficient material removal with grinding accessories approved for the tool's operating speed.
- 4.5-inch wheel capacity provides a compact grinding arrangement for finishing fabricated edges, welded connections, and metal components.
- M14 threaded spindle provides a mounting connection for appropriately sized grinding accessories and manufacturer-approved hardware.
- Angle-head configuration allows the grinding wheel to contact surfaces from a different approach than a straight grinder, improving access around surrounding components.
- Lightweight composite housing helps reduce overall tool weight while providing a comfortable handling surface during extended grinding work.
- Ergonomically shaped body supports secure tool handling and positioning during repeated surface preparation operations.
- G3 Series construction withstands repeated drops, chemical spills, and harsh industrial working conditions.
Applications:
- Metal fabrication and welding: Grinding excess weld material, smoothing welded joints, and preparing fabricated steel surfaces for finishing.
- Automotive and transportation workshops: Cleaning metal repair components, refining fabricated brackets, and performing localized grinding during maintenance.
- Industrial machinery manufacturing: Finishing welded equipment parts, removing surface irregularities, and preparing metal components before assembly.
- Foundry and casting operations: Smoothing accessible casting surfaces and removing minor imperfections with suitable abrasive wheels.
- Structural steel and equipment fabrication: Grinding edges and welded areas where a 115 mm wheel provides appropriate working clearance.
- Industrial maintenance and MRO: Performing surface cleanup, component refurbishment, and localized material removal during machinery repairs.
FAQs:
- Q: What grinding wheel size does the Ingersoll Rand G3A120PP945AV support?
A: The manufacturer specifies a 115 mm (approximately 4.5-inch) wheel diameter and an M14 threaded spindle. Use grinding wheels approved for the tool's mounting arrangement, wheel guard, and intended application. Every accessory must be rated for at least 12,000 RPM.
- Q: What is the difference between the G3A120PP945AV and G3A120PP95AV?
A: Both models provide 1.35 HP rated power, operate at 12,000 RPM, and use an M14 spindle. The G3A120PP945AV supports a 115 mm wheel and has a maximum air consumption of 15.6 L/s, while the G3A120PP95AV supports a 125 mm wheel and has a maximum air consumption of 26 L/s. Choose according to the required wheel diameter, working clearance, and available compressed air capacity.
- Q: What compressor and air hose requirements should be considered?
A: Ingersoll Rand lists maximum air consumption at 15.6 L/s, approximately 33.1 CFM, with a 3/8-inch air inlet and 13 mm minimum hose diameter. The compressor and air distribution system should supply sufficient airflow at the manufacturer's recommended operating pressure. Account for other pneumatic equipment operating on the same air supply.
- Q: Can the G3A120PP945AV be used for weld grinding and surface preparation?
A: Yes. Its angle-head configuration, 1.35 HP motor, and 115 mm wheel capacity make it suitable for grinding welded metal assemblies, smoothing fabricated edges, and preparing accessible metal surfaces. Select the wheel type according to the workpiece material and intended operation, and follow all applicable guarding requirements.
- Q: What does the M14 spindle specification mean?
A: M14 identifies the metric threaded spindle connection used for mounting approved grinding accessories. It is not a collet size. Confirm the accessory's thread pitch, dimensions, fastening hardware, and maximum operating speed before installation.
For help choosing the correct Ingersoll Rand Angle Air Grinders for your application, please call (800) 608-5210 or email info@intlairtool.com
- Type
- Angle Grinder
- Power (hp)
- 1.35
- RPM
- 12000
- Spindle Thread
- M14
- Wheel Diameter (in.)
- 4.5
- Thickness (in.)
- 1/4
- Wheel Type
- Type 27
- Air Inlet
- 3/8" NPT
- Hose Size (in.)
- 1/2
