DYNABRADE Angle-Head Mini-Dynorbital Random Orbital Sander - 49400
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.4 hp, 3,200 RPM, 3/16" (5 mm) Dia. Orbit.
- Built-in speed regulator, extended rear exhaust muffler, safety-lock lever included. Governor-controlled motor maintains speed under load.
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Sample 9-micron micro-finishing film discs are included. Optional 54585 Side Handle Assembly available.
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54028 Random Orbital Sanding Head accepts sanding pads with 1/4"-20 female thread.
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Includes 1-1/4" dia. medium density pad (54018), which has 1/4"-20 female thread and mounts to sanding head.
Specifications
| Air Consumption (SCFM) |
26.0 |
| Power (hp) |
0.4 |
| Max. RPM |
3,200 |
| Pad Face |
Vinyl |
| Sanding Head Spindle Thread |
1/4-20 Male |
| Tool Spindle Thread |
1/4"-28 Female For Sanding-Head Spindle |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
1/4" |
| Vacuum Type |
Non-Vacuum |
| Motor Type |
Rotary Vane |
| Height in. (mm) |
3.0 |
| Length in. (mm) |
12.4 |
| Weight lb. (kg) |
1.9 |
| Width in. (mm) |
5.5 |
| Pkg. Height in. (mm) |
2.5 |
| Pkg. Length in. (mm) |
16 |
| Pkg. Weight lb. (kg) |
2.9 |
| Pkg. Width in. (mm) |
5.5 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026494008 |
| EAC Certified |
Yes |
| Tool Style |
Right Angle |
What our Experts Think
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Angle-head configuration provides easy access to corners, edges, recessed surfaces, and confined workspaces.
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Random orbital action delivers swirl-free finishes while reducing the risk of gouging or uneven sanding.
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Compact Mini-Dynorbital design offers excellent control for intricate surface preparation and finishing tasks.
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Lightweight ergonomic construction helps reduce operator fatigue during prolonged use.
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Ideal for fine finishing, blending, feather edging, and surface refinement on metal, composites, fiberglass, and painted surfaces.
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Low-vibration performance improves comfort and enhances finish consistency.
- Engineered for professional environments where precision and surface quality are critical.
Q&A
Q: What is the DYNABRADE 49400 used for?
A: A compact angle-head random orbital sander designed for precision sanding, blending, paint preparation, and finishing in tight or hard-to-reach areas.
Q: What makes the angle-head design beneficial?
A: The angle-head configuration provides improved access and visibility when working on edges, contours, corners, and confined spaces.
Q: What type of sanding action does it use?
A: It features a random orbital motion that produces a smooth, swirl-free finish while reducing visible sanding marks.
Q: What applications is it best suited for?
A: Ideal for automotive refinishing, spot repairs, composite work, woodworking, metal finishing, and detail sanding.
Q: Is it suitable for delicate finishing work?
A: Yes, its compact size and controlled orbital action make it excellent for fine finishing and surface preparation tasks.
Q: What power source does it use?
A: It is a pneumatic (air-powered) tool designed for use with a compressed air system
Maintenance Tips
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Use clean, dry compressed air: Moisture and contaminants can damage the rotary vane motor and reduce tool life.
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Lubricate daily: Add a few drops of pneumatic tool oil into the air inlet before use to protect internal vanes and bearings.
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Maintain proper air pressure (90 PSI): Correct pressure ensures consistent 3,200 RPM performance and minimizes wear.
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Inspect sanding pads regularly: Replace worn or damaged 1-1/4" pads to maintain smooth, swirl-free finishing.
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Keep the orbital head clean: Dust and abrasive residue can affect sanding performance and shorten component life.
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Check air hoses and fittings: Repair leaks promptly to maintain airflow and tool efficiency.
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Keep rear exhaust unobstructed: The extended rear exhaust muffler should remain clear for proper cooling and operator comfort.
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Inspect safety-lock lever and regulator: Verify smooth operation before each use to ensure safe speed control.
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Store in a clean, dry environment: Protect the tool from moisture, dust, and impact damage when not in use.
Damage 
Loss 
Theft 
