Overview
The high-power ZDG-301 air die grinder delivers heavy-duty performance for demanding automotive and industrial grinding applications. Engineered with double-angle collets for high-torque industrial duty, it provides the sustained power required for rapid material removal, precision metal shaping, and surface cleanup.
Key Features
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Industrial Power: High-output pneumatic motor built for tough grinding, blending, and deburring tasks.
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Versatile Collet Options: Compatible with 1/4" (6 mm) and 1/8" (3 mm) grinding accessories, carbide burrs, and mounted points (also supports 3/8" / 8 mm industrial double-angle collet setups).
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Durable Construction: Heavy-duty build designed for continuous shop floor and fabrication use.
Specification
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Collet / Grinding Wheel Capacity: 1/4 in. (6 mm)
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Free Speed: 23,000 RPM
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Net Weight: 1.4 lbs (0.5 kg)
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Overall Length: 7.0 in. (180 mm)
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Average Air Consumption: 4.1 CFM
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Air Inlet Size: 1/4" NPT/PT
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Minimum Hose Size: 3/8" (10 mm)
Application
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Automotive Brake & Hub Servicing: Cleans rust, scale, and brake dust from brake rotors, backing plates, caliper mounts, and wheel hubs.
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Weld Dressing & Hole Enlarging: Smooths down rough weld beads, deburrs cut metal edges, and enlarges or aligns mismatched holes.
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Die, Mold & Valve Seat Reconditioning: Grinds and resurfaces valve seats, stamping dies, casting molds, and engine cylinder ports.
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High-Speed Deburring & Shaping: Powers carbide burrs, mounted points, and rotary flap wheels across steel, cast iron,