Techno AT3170 3mm Micro Air Die Grinder – 54,000 RPM (Round Housing)
High-Speed Precision Grinder for Intricate Detailing and Fine Finishing
The Techno AT3170 3mm Micro Air Die Grinder by Chawri Tools is engineered for ultra-precision tasks where control, speed, and compactness matter. Featuring a powerful 54,000 RPM motor housed in a sleek round-body aluminum casing, this micro die grinder is the perfect tool for fine deburring, mold polishing, engraving, and finishing applications.
Ideal for toolmakers, automotive technicians, and fine metalworkers, it offers excellent balance, low vibration, and precise handling—making detailed work effortless even in hard-to-reach areas.
Key Features:
Ultra-High Speed: Delivers an impressive 54,000 RPM for efficient, fine detailing
3mm Collet Size: Compatible with standard rotary burrs and accessories
Slim Round Housing: Lightweight, compact, and ideal for precision work
Ergonomic Handling: Reduces fatigue in long-term, repetitive use
Professional-Grade Durability: Built for daily use in industrial environments



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