Ingersoll Rand G1H250RG4 Straight Die Grinder | G1 Series | 0.4 HP | 25,000 RPM | 1/4" Collet | Rear Exhaust

For deburring, edge cleanup, and localized material removal where direct accessory alignment improves control, the Ingersoll Rand G1H250RG4 Straight Die Grinder combines a 0.4 HP pneumatic motor with 25,000 RPM free speed and a 1/4-inch collet. The straight G1 Series configuration keeps compatible shank-mounted accessories aligned with the tool body, providing a direct approach to openings, grooves, edges, ports, and accessible internal surfaces during fabrication, repair, maintenance, and production-finishing work.

The Ingersoll Rand G1H250RG4 uses a collet, which grips the straight shank of a compatible carbide burr, mounted point, or other accessory. Its 25,000 RPM free speed provides a balance between material-removal rate and accessory control for general-purpose die-grinding tasks when the correct tooling is selected. The rear exhaust routes discharged air away from the immediate grinding area, helping reduce direct airflow disturbance around the accessory and workpiece.

Type: Straight Die Grinder | Model: G1H250RG4 | Series: G1 Series | Configuration: Straight | Motor Power: 0.4 HP | Free Speed: 25,000 RPM | Collet Size: 1/4" | Exhaust: Rear

Features:

• 0.4 HP pneumatic motor supplies power for deburring, edge finishing, localized grinding, and surface-preparation operations.
• 25,000 RPM free speed supports productive material removal with compatible accessories rated for the tool's maximum operating speed.
• 1/4-inch collet accepts properly matched carbide burrs, mounted points, and other shank-mounted accessories.
• Straight configuration provides direct accessory alignment for working on openings, grooves, edges, ports, and accessible internal surfaces.
• Rear exhaust routes discharged air away from the accessory and immediate grinding area.
• Collet-mounted accessory system allows tooling to be selected according to workpiece material, surface geometry, and required finish.
• G1 Series configuration provides a compact pneumatic platform for repeated grinding, deburring, and finishing operations.

Made in USA:

Applications:

• Metal fabrication — removing burrs, cleaning openings, refining cut edges, and preparing localized surfaces on fabricated components.
• Foundry and casting cleanup — removing flash, parting lines, and small surface imperfections with compatible carbide burrs or mounted abrasives.
• Industrial maintenance and MRO — cleaning machinery components, preparing repair areas, and correcting localized surface damage during equipment service.
• Automotive and fleet repair — finishing ports, brackets, housings, and metal components where straight-line tool access matches the work area.
• General manufacturing — performing repetitive deburring, edge cleanup, and localized material-removal operations on production components.

FAQs:

• Q: What accessories can be used with the Ingersoll Rand G1H250RG4?
  A: Use compatible accessories with a 1/4-inch shank, such as properly rated carbide burrs and mounted points. Confirm the accessory dimensions, material suitability, and maximum operating-speed rating before use.
• Q: What types of work are suited to a 25,000 RPM straight die grinder?
  A: This speed configuration supports general deburring, edge cleanup, port finishing, localized grinding, and surface preparation with correctly selected accessories. Accessory diameter, construction, workpiece material, and manufacturer speed recommendations should guide tooling selection.
• Q: How does the G1H250RG4 compare with other G1 Series straight grinders?
  A: The G1H250RG4 operates at 25,000 RPM. Lower- and higher-speed G1 Series configurations are available for applications that require different accessory operating ranges and material-removal characteristics, so buyers should match grinder speed to the intended tooling and task.
• Q: Can a 1/4-inch shank accessory be used just because it fits the collet?
  A: No. Physical fit alone does not establish safe compatibility. The accessory must also be approved for the intended application and have a maximum operating-speed rating equal to or greater than 25,000 RPM.
• Q: What is the benefit of rear exhaust on this die grinder?
  A: Rear exhaust directs discharged air toward the back of the tool rather than around the collet and workpiece, helping reduce direct airflow disturbance near the grinding area.

Looking for more information about the Ingersoll Rand Grinder? Click here to view the Catalog

For help choosing the correct Ingersoll Rand Grinders for your application, please call (800) 608-5210 or email info@intlairtool.com