Ingersoll Rand 7978 Pencil Grinder is designed for precision grinding, deburring, polishing, and finishing applications where a compact pneumatic tool and high rotational speed are required. Featuring a 0.10 HP motor, 60,000 RPM free speed, and a 1/8" collet size, this pencil-style grinder provides a lightweight solution for detailed surface preparation work using compatible mounted abrasive accessories.
Ingersoll Rand 7978 combines high-speed operation with a slim pencil grinder design to help operators access smaller or detailed work areas. Its front exhaust configuration directs discharged air forward during operation, while the 1/8" collet provides compatibility with appropriately sized mounted points and abrasive accessories rated for the tool's operating speed.
Type: Pencil Grinder | Motor Power: 0.10 HP | Free Speed: 60,000 RPM | Collet Size: 1/8" | Exhaust: Front Exhaust
Features:
- 0.10 HP pneumatic motor provides power for precision grinding and finishing applications.
- 60,000 RPM free speed supports detailed work requiring high rotational speed.
- 1/8" collet accepts compatible mounted abrasive accessories.
- Pencil-style design provides access to smaller work areas and detailed surface preparation points.
- Front exhaust directs discharged air forward during operation.
- Compact pneumatic configuration supports controlled handling for precision applications.
- Air-powered operation is suitable for industrial environments using properly conditioned compressed air.
Applications:
- Precision deburring — removing small burrs and sharp edges from compatible metal components.
- Die and mold finishing — performing detailed grinding and surface refinement in smaller work areas.
- Metal fabrication — completing fine finishing tasks after cutting, machining, or welding operations.
- Aerospace and manufacturing applications — supporting precision surface preparation where compact tool access is needed.
- General maintenance and finishing — handling detailed grinding, polishing, and cleanup work with compatible abrasive accessories.
FAQs:
- Q: What accessories can be used with the Ingersoll Rand 7978 Pencil Grinder?
A: The tool is specified with a 1/8" collet. Use only compatible mounted abrasive accessories that match the collet size and are rated for the grinder's 60,000 RPM operating speed. - Q: What is the advantage of a 60,000 RPM pencil grinder?
A: The high rotational speed is suited for detailed grinding, deburring, and finishing applications requiring precise material removal with appropriately rated accessories. - Q: What does the front exhaust design do?
A: Front exhaust directs discharged air forward during operation. Exhaust direction can be a consideration when selecting a tool for a specific workstation or application setup. - Q: How does a pencil grinder differ from a standard die grinder?
A: Pencil grinders are typically designed for precision work in smaller areas and use smaller accessories, while standard die grinders are generally used for broader grinding and material removal tasks. - Q: What should be checked before using this pencil grinder?
A: Inspect the accessory, collet condition, air supply, and overall tool condition before operation. Always verify that accessories are compatible with the tool specifications and rated operating speed.
| SKU | RPM | Throttle Style | Output | Exhaust | Spindle Offset - IN (MM) | Length - IN (MM) | Weight - OZ (KG) | CFM | DBA | Standard Collet - Insert |
|---|---|---|---|---|---|---|---|---|---|---|
| 7980-2 | 85,000 | Lever | 1/8" Collet | Front | 0.6" (14) | 5.6" (143) | 14.0 (0.4) | 9 | 84 | 31812-4 |
| 7980-A | 85,000 | Twist | 1/8" Collet | Front | 0.6" (14) | 5.6" (143) | 14.0 (0.4) | 9 | 84 | 31812-4 |
| 7978 | 60,000 | Slide | 1/8" Collet | Front | 0.4" (9) | 5.6" (143) | 5.5 (0.16) | 6 | 80 | 46119-2 |
| GH011A-600-1 | 60,000 | Twist | 1/8" Collet | Rear | 0.3" (8) | 5.3" (136) | 2.6 (0.07) | 7 | 77 | 47568-1 |
| 7114-E | 20,000 | Lever | 1/8" Collet | Front | 0.5" (12) | 6.0" (152) | 13.0 (0.37) | 6 | 79 | 31812-4 |
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
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
