GP‑380 — 80,000 RPM Pneumatic Pencil Grinder (Item #53‑602‑522)
The GP-380 is the faster of the two models, running at an impressive 80,000 RPM no-load speed. That kind of speed makes it ideal for fine grinding, deburring, and detail work where smooth cutting action and quick material removal are important. Despite the high RPM, the tool remains lightweight and balanced, helping reduce vibration and operator fatigue during extended use. 
Features
- Up to 80,000 RPM no-load speed
- Compact, lightweight design
- Standard 1/8″ collet
- Good balance and low vibration for improved control
The GP-380 works especially well for detailed grinding on molds, dies, and precision components where accuracy and surface finish are critical.
GP‑2601 — 60,000 RPM Pneumatic Pencil Grinder (Item #53‑602‑521)
The GP-2601 offers a slightly lower top speed at 60,000 RPM, giving it a balanced feel that works well across a wide range of grinding and finishing applications. It delivers strong performance while maintaining excellent control, making it a versatile everyday pencil grinder for detail work, shaping, deburring, and light material removal.
Features
- Up to 60,000 RPM no-load speed
- Lightweight and easy to maneuver
- Excellent control for detailed work
- Standard 1/8″ collet compatibility
For users looking for a dependable high-speed grinder that can handle a variety of precision tasks, the GP-2601 is a solid all-around option.
Common Applications
BESDIA pneumatic pencil grinders are commonly used for:
- Deburring machined parts
- Mold and die work
- Precision grinding
- Surface cleanup and refinement
- Detail finishing in tight areas
- Light engraving and contour work
Their slim profile makes them especially useful in confined spaces where larger grinders are difficult to control.
Compatible Accessories
Both grinders use a standard 1/8″ collet, making them compatible with a wide range of rotary accessories, including:- Diamond Coated Mounted Points
- Rotary Burrs and Burr Sets
- Mounted Stones
- Felt Bobs
- CRATEX MX Laminated Stones
- Small polishing and finishing points
Accessories should always be rated for the grinder’s operating speed, especially when working at higher RPMs.
Getting the Best Performance
A Few Additional Tips
- Match the abrasive to the application
- Use finer abrasives for polishing and finishing
- Replace worn accessories regularly
- Use properly sized air hoses to minimize pressure loss
- Let the tool speed do the work instead of applying excessive pressure
With their compact size, high rotational speed, and precise handling, the BESDIA GP-380 and GP-2601 are reliable choices for detailed grinding and finishing work across a wide range of shop applications.
