Micro Die Grinder | 3mm Pencil Tool for Engraving & Polishing | 65,000 RPM High-Speed
Achieve professional-grade precision with this 3mm Air Micro Die Grinder, delivering a powerful 65000 RPM for exceptional control in detailed work. This compact, pencil-style tool provides the high-sp...
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Questions about this product
- Will standard 1/8-inch rotary bits fit into this grinder's 3mm collet?
- Yes, they will fit. The 3mm collet on this tool is fully compatible with standard 1/8-inch shank burrs, polishing points, and grinding stones. You can easily swap in your existing carving and engraving bits.
- What kind of air compressor setup do I need to run this tool?
- You need a compressed air source that can maintain a typical operating pressure of 90 PSI. The tool connects using a standard 1/4-inch NPT air inlet. Make sure your compressor has a moisture filter to keep the air lines dry and clean.
- Can I use this high-speed micro grinder to cut or carve hardened steel?
- This micro grinder is designed for light, detailed work on wood, plastics, composites, and softer metals like jewelry. While its 65,000 RPM speed is incredibly fast, it lacks the torque needed for heavy-duty steel cutting. Forcing it into hard metals will stall the motor or damage your bits.
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