Dynabrade 52239 .4 HP Straight-Line Die Grinder 30000 RPM Front Exhaust 1/4in Collet

The Dynabrade 52239 is a professional-grade pneumatic straight-line die grinder delivering .4 horsepower (298W) and 30,000 RPM for demanding industrial material removal, deburring, finishing, and polishing applications. Featuring a front exhaust design and a 1/4" collet, this air-powered tool is built for precision work on metal, fiberglass, carbon fiber, composites, and more.

Key Features:

• Governor-Controlled Motor — Maintains consistent speed under load for reliable, repeatable results
• Integrated Safety-Lock Throttle Lever — Contoured shape for operator comfort; dowel-pin design minimizes lever wear
• Unique Pre-Filter — Provides extra defense against air stream contaminants for extended tool life
• Ergonomic Oval-Shaped Housing — Conforms to the natural shape of the hand for reduced fatigue during prolonged use
• Front Exhaust — Directs exhaust air away from the work surface and operator
• Color-Coded Design — Easy visual identification in tool storage and cribs
• Lightweight Construction — Optimized for comfort and reduced operator strain
• 1/4" Collet — Accepts standard 1/4" shank mounted points, carbide burrs, and abrasive accessories

The Dynabrade 52239 is ideal for metalworking, fabrication, aerospace, and automotive refinishing environments where consistent speed, durability, and ergonomic performance are essential. Made in the USA, Dynabrade tools are trusted by professionals worldwide for quality and innovation.