Dynabrade – 3″ (75 mm) Dia. 7 Degree Offset Rotary Buffer 51400

Dynabrade – 3″ (75 mm) Dia. 7 Degree Offset Rotary Buffer 51400

The Dynabrade 51400 3″ Rotary Buffer is a compact, high-torque air-powered tool engineered for precision buffing and polishing. Operating at 3,200 RPM with a 0.4 hp planetary-geared motor, this buffer delivers smooth and consistent performance with reduced vibration and sound, thanks to its built-in muffler and rear exhaust system.

Designed for professional finishing, it comes ready to use with a Hook-Face Pad, Terry Cloth Bonnet, and Wool Buffing Bonnet, making it perfect for paint correction and polishing tasks. The 3/8″-24 male spindle ensures compatibility with a range of accessories, while the durable build supports long-term use in automotive, aerospace, metalworking, and composite finishing environments.

Key Features

• Pad Size: 3″ (75 mm)

• Motor Power: 0.4 hp (298 W)

• Max Speed: 3,200 RPM

• Tool Style: 7° Offset for control and comfort

• Air Inlet Thread: 1/4″ NPT

• Air Flow: 24 SCFM @ 90 PSI

• Exhaust Type: Rear

• Sound Level: 77 dB(A)

• Spindle Thread: 3/8″-24 Male

• Weight: 0.77 kg (1.7 lb)

• Included Accessories: Hook pad, terry bonnet, wool bonnet, plug

Best For

• Precision buffing and polishing in tight areas

• Automotive detailing and paint correction

• Aerospace and metal surface finishing

• Polishing curved or contoured composite parts

• Professional use where comfort and control are critical