Air Die Grinder Straight Pneumatic Grinding Tool, Polishing Machine for Metalworking & Engraving Projects

Boost your productivity and precision with the HIFESON 1/4" Pneumatic Die Grinder Air Die Grinder Grinding Mill Engraving Tool Polishing Machine for Pneumatic Tools. Designed for professionals and DIY enthusiasts, this versatile straight air die grinder offers exceptional performance for detailed metalwork, mold polishing, and engraving tasks.

Crafted from durable chrome-finished metal, the grinder comes in two compact sizes (155mm and 174mm) and supports a collet size of 1/4" (6mm)—perfect for a wide range of attachments. Operating at a high free speed of 22000–25000RPM, it ensures smooth and efficient results with minimal vibration. Whether you're working on metal molds, auto body detailing, or fine engraving, this pneumatic grinding tool delivers reliability where it counts.

With an air consumption of 4 CFM, 90 PSI operating pressure, and a 1/4" air inlet, this die grinder integrates seamlessly into most workshop air systems. Its rear exhaust design helps direct airflow away from your work area, improving visibility and cleanliness during extended sessions.

Engineered for precision and built for durability, this HIFESON air grinder is not just a tool—it’s an essential part of any serious workshop. Its compact, straight design allows for access in tight spaces, making it ideal for intricate tasks. Whether you're polishing, grinding, or engraving, this tool helps you complete your project faster and with better results.

Key Features:

• HIFESON 1/4" Pneumatic Die Grinder – High-speed straight air grinder

• Free Speed: 22000–25000RPM for fast, accurate results

• 1/4" collet fits most standard grinding and polishing bits

• Durable chrome and black metal construction

• Works with 4 CFM air consumption at 90 PSI

• Ideal for metal mold polishing, engraving, and grinding tasks

• Compatible with standard air compressors and workshop systems

• Excellent for automotive detailing, metalworking, and precision fabrication
  
  

Whether you're a fabricator, mechanic, or hobbyist, this air die grinder polishing machine gives you the edge to finish jobs cleanly, precisely, and professionally. Perfect as a gift for tool lovers or to upgrade your workshop essentials.