DYNABRADE 8" Dual-Grip Gear Driven Sander For ESD - 58660

DYNABRADE 8" Dual-Grip Gear Driven Sander For ESD - 58660

•  900 RPM, 3/16" Dia. Orbit, w/3m Hose.
• 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.
• Dust is extracted away from air motor (reducing contamination) for a smoother, easier path of extraction.
• Anti-clog design for efficient sanding of damp filler material.
• Includes low profile, premium urethane sanding pad (8 holes). Whip hose has 1-1/4" tool attachment and terminates with a 2" central vacuum attachment.

Specifications   

What our Experts Think    

• 8" (203 mm) large-pad design enables fast coverage on wide, flat surfaces for high productivity
• Gear-driven dual-action system delivers strong, consistent cutting power under heavy load conditions
• ESD-safe construction helps protect sensitive electronic components from electrostatic discharge
• Dual-grip ergonomic handles provide superior stability, control, and operator comfort during extended use
• Ideal for large-scale sanding, leveling, and surface preparation tasks
• Produces uniform, swirl-free finishes even in demanding industrial applications
• Built for continuous-duty environments and production-line efficiency
• Suitable for electronics manufacturing, automotive, and precision industrial finishing work
• Performs well on metal, composites, and other engineered surfaces requiring static protection
• Designed for professionals needing a high-power, ESD-safe sanding solution with maximum control

Q&A    

Q: What is the DYNABRADE 58660 used for?
A: A heavy-duty 8" pneumatic gear-driven sander designed for aggressive material removal, leveling fillers, weld smoothing, and large surface preparation in industrial environments.

Q: What makes it “gear-driven”?
A: Unlike random orbital sanders, it uses a forced epicycloidal (gear-driven) motion that delivers higher torque and faster leveling of thick materials like fillers, epoxy, and coatings.

Q: What does “dual-grip” mean?
A: It has a two-hand control design that improves stability, reduces vibration fatigue, and gives better control during heavy sanding on large surfaces.

Q: What is the pad size and speed?
A: It uses an 8" (203 mm) pad and operates at about 900 RPM, optimized for controlled, high-torque material removal rather than fine finishing.

Q: Does it include ESD protection?
A: Yes, it is an ESD (electrostatic discharge) model with grounding features to safely dissipate static in sensitive industrial environments.

Q: Does it have dust extraction?
A: Yes, it is designed for use with a central vacuum system to improve dust control and maintain a cleaner work surface.

Maintenance Tips    

• Use clean, dry compressed air: Moisture or contamination reduces motor efficiency and accelerates internal wear.
• Lubricate daily: Add a few drops of pneumatic oil before use to keep the air motor and vanes operating smoothly.
• Maintain correct air pressure (~90 PSI): Keeps the 900 RPM gear system stable under load and prevents overheating or gear stress.
• Service gear lubrication regularly: Apply gear grease at scheduled intervals (typically every few hundred hours) to protect the reduction gears from wear.
• Keep vacuum system clear (1-1/4" port): Ensure overskirt, shroud, and vacuum hose are free of dust buildup to maintain dust extraction efficiency.
• Inspect ESD grounding wire: Confirm continuity of the grounding system to maintain static discharge protection.
• Check 8" pad condition: Replace worn or unbalanced pads immediately to avoid vibration and uneven sanding patterns.
• Inspect air hoses & fittings: Air leaks reduce torque and increase compressor load.
• Clean shroud and housing after use: Prevent buildup of abrasive dust that can affect vacuum flow and balance.
• Store dry: Protect both electronics (ESD system) and internal gears from moisture and corrosion.