DYNABRADE 6" (152 mm) Dia. Two-Hand Gear-Driven Sander, Central Vacuum - 58443
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.45 hp, 900 RPM, Rear Exhaust, w/57765 Hook Face Pad.
- Central Vacuum models are designed for use with central vacuum system or external vacuum source. Includes combination lip-seal shroud-overskirt, which allows greater workpiece visibility and enhanced vacuum capability.
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Dust is extracted away from air motor (reducing contamination) for a smoother, easier path of extraction.
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Anti-clog design for efficient sanding of damp filler material.
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Includes low profile, premium hook face sanding pad (6 holes). Vacuum shroud has 1" outside diameter vacuum port.
Specifications
| Air Consumption (SCFM) |
23.0 |
| Power (hp) |
0.45 |
| Max. RPM |
900 |
| Pad Face |
Hook-Face |
| Pad Mounting Style |
5 Screws |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
3/8" |
| Vacuum Type |
Vacuum |
| Motor Type |
Planetary-Geared |
| Height in. (mm) |
5.625 |
| Length in. (mm) |
11.0625 |
| Weight lb. (kg) |
3.97 |
| Width in. (mm) |
6.5 |
| Pkg. Height in. (mm) |
5.75 |
| Pkg. Length in. (mm) |
11.88 |
| Pkg. Weight lb. (kg) |
4.85 |
| Pkg. Width in. (mm) |
6.5 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026584433 |
| EAC Certified |
Yes |
| Tool Style |
Two Hand |
What our Experts Think
Q&A
Q: What is the DYNABRADE 58443 used for?
A: A professional 6" pneumatic gear-driven sander designed for aggressive leveling, filler shaping, weld smoothing, and surface preparation on automotive, aerospace, and industrial panels.
Q: What does “gear-driven” mean?
A: It uses an epicycloidal (forced gear) sanding motion that removes material faster and more aggressively than random orbital sanders, making it ideal for early-stage surface leveling.
Q: What is the benefit of the central vacuum system?
A: The built-in vacuum shroud connects to a central or external vacuum source to extract dust at the source, improving visibility, reducing cleanup, and preventing dust from entering the motor.
Q: What is the pad size and operating speed?
A: It uses a 6" (152 mm) pad and runs at approximately 900 RPM for controlled, high-torque sanding rather than fine finishing.
Q: What materials can it be used on?
A: It is suitable for body filler, metal, fiberglass, composites, and painted surfaces during surface leveling and prep work.
Q: Is it for finishing or heavy sanding?
A: It is primarily a heavy-cut leveling tool, not a finishing sander—best used before finer DA sanding stages.
Maintenance Tips
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Use clean, dry compressed air: Moisture or contamination reduces motor life and affects torque consistency under load.
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Lubricate daily: Add a few drops of pneumatic tool oil before use to protect air motor vanes and maintain smooth operation.
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Maintain correct air pressure (~90 PSI): Ensures stable 900 RPM performance and prevents gear strain during heavy material removal.
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Service gear drive system: Periodically check and replenish gear lubrication to prevent wear in the planetary gear assembly.
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Keep central vacuum system clear: Ensure the 1" vacuum port, shroud, and hose are free of clogging so dust is pulled away from the motor (this also extends tool life).
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Inspect 6" pad regularly: Replace worn or unbalanced pads to prevent vibration and uneven surface finish.
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Check mounting screws (5-screw pad system): Loose pad mounting causes wobble and premature gear wear.
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Inspect air hoses & fittings: Air leaks reduce torque and increase compressor load.
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Keep exhaust path clear: Prevents heat buildup during continuous sanding.
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Clean after each use: Remove filler dust and debris from shroud, pad area, and housing to maintain airflow and balance.
Damage 
Loss 
Theft 
