DYNABRADE 5" (127 mm) Dia. DynaLocke Dual-Action Sander, Self-Generated Vacuum - 58431
-
.45 hp, 12,000 RPM, 3/16" (5 mm) Dia. Orbit/Rotary, Rear Exhaust.
- Self-Generated Vacuum models are ready for connection to optional portable dust collection system .
-
Tool has 1-1/4" outside diameter vacuum port, allowing increased air flow.
-
Designed to vacuum in random orbital mode only.
-
Includes low profile, premium urethane, hook-face sanding pad.
Specifications
| Air Consumption (SCFM) |
23.0 |
| Power (hp) |
0.45 |
| Max. RPM |
12,000 |
| Pad Face |
Hook-Face |
| Tool Spindle Thread |
5/16-24 Female |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
3/8" |
| Vacuum Type |
Self Generated Vacuum |
| Motor Type |
Rotary Vane |
| Height in. (mm) |
5.125 |
| Length in. (mm) |
11.0625 |
| Weight lb. (kg) |
2.83 |
| Width in. (mm) |
6.5 |
| Pkg. Height in. (mm) |
5.75 |
| Pkg. Length in. (mm) |
11.88 |
| Pkg. Weight lb. (kg) |
3.79 |
| Pkg. Width in. (mm) |
6.5 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026584310 |
| EAC Certified |
Yes |
| Tool Style |
Two Hand |
What our Experts Think
Q&A
Q: What is the DYNABRADE 58431 used for?
A: A professional 5" pneumatic dual-action sander designed for automotive paint prep, blending, primer sanding, and fine surface finishing with dust control capability.
Q: What does “self-generated vacuum” mean?
A: The tool creates its own suction airflow to remove sanding dust at the source and can also connect to an external dust collection system for improved cleanliness.
Q: What type of sanding motion does it use?
A: It uses dual-action (random orbital + rotation) movement, producing a swirl-free finish suitable for high-quality paint preparation.
Q: What is the pad size and orbit?
A: It uses a 5" (127 mm) pad with a 3/16" (5 mm) orbit for balanced cutting and finishing performance.
Q: What speed does it operate at?
A: It runs at approximately 12,000 RPM for efficient material removal and consistent finishing results.
Q: Is it suitable for professional automotive work?
A: Yes, it is widely used in body shops and collision repair centers for paint stripping, blending, and primer finishing.
Q: Does it reduce dust during sanding?
A: Yes, the self-generated vacuum system helps capture dust during operation, improving visibility and reducing cleanup time.
Maintenance Tips
-
Use clean, dry compressed air only: Moisture or contamination quickly wears the air motor and reduces RPM stability and finish quality.
-
Lubricate daily: Add a few drops of pneumatic tool oil before use to protect internal vanes and maintain smooth 12,000 RPM operation.
-
Maintain correct air pressure (~90 PSI): Ensures consistent performance and prevents overspeed or premature wear.
-
Keep the 1-1/4" vacuum port clear: The self-generated vacuum relies on unobstructed airflow—clean dust buildup regularly for proper suction and dust control.
-
Inspect sanding pads & backing disc: Replace worn 5" hook-face pads to prevent vibration, uneven sanding, or swirl marks.
-
Check air hoses & fittings for leaks: Air leaks reduce torque and affect consistent orbital motion under load.
-
Keep exhaust and housing clean: Rear exhaust must stay open to avoid heat buildup and performance loss.
-
Clean after each use: Remove sanding dust from the pad, shroud area, and vacuum channels to maintain efficiency.
-
Store in a dry environment: Prevent internal corrosion and protect seals and bearings from moisture damage.
Damage 
Loss 
Theft 
