DYNABRADE 8" Dual-Grip Gear Driven Sander For ESD - 58661

DYNABRADE 8" Dual-Grip Gear Driven Sander For ESD - 58661

•  900 RPM, 3/16" Dia. Orbit.
• 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). Handle has 1-1/4" outside diameter vacuum port.

Specifications     

What our Experts Think

• 8" (203 mm) large-pad design delivers fast coverage for high-volume surface finishing
• Gear-driven dual-action system provides strong, consistent cutting power under load
• ESD-safe construction helps protect sensitive electronic components from static discharge
• Dual-grip ergonomic handles improve control, stability, and operator comfort
• Ideal for heavy-duty sanding, leveling, and surface preparation on large panels
• Maintains uniform, swirl-free finishes even on demanding industrial surfaces
• Built for continuous production environments and extended operating cycles
• Excellent for metal fabrication, automotive body work, and industrial finishing lines
• Suitable for large flat surfaces where speed and consistency are critical
• Designed for professionals needing a high-performance, static-safe gear-driven sanding solution

   
Q&A    

Q: What is the DYNABRADE 52716 used for?
A: A heavy-duty pneumatic cone/plug wheel grinder designed for grinding, weld cleanup, deburring, and removing surface imperfections on metal before finishing or painting.

Q: How powerful is it?
A: It features a 1 HP air motor built for continuous industrial-duty grinding applications.

Q: What is its operating speed?
A: It runs at up to 15,000 RPM for fast and controlled material removal.

Q: What type of wheels does it use?
A: It accepts cone or plug wheels up to about 1-1/4" diameter for precision grinding in tight areas.

Q: What makes it suitable for industrial use?
A: It uses a governor-controlled motor that maintains RPM under load, improving consistency during heavy grinding tasks.

Q: What are its main applications?
A: Commonly used in fabrication shops, welding operations, foundries, steel mills, and shipyards for metal cleanup and surface prep.

Q: What is the air requirement?
A: It requires a 90 PSI air supply with relatively high airflow (around 39 SCFM), typical of industrial pneumatic tools.

Maintenance Tips    

• Keep clean, dry air supply: Moisture or contamination damages the air motor and reduces torque stability over time.
• Lubricate air motor daily: Add pneumatic oil before use to protect vanes and maintain smooth power delivery.
• Maintain correct air pressure (~90 PSI): Ensures stable 900 RPM under load and prevents gear strain.
• Service gear lubrication system: This model uses a gear-lube system—check and replenish gear oil as recommended to prevent premature gear wear.
• Keep vacuum system clear: The 8" unit relies on high airflow (~23 SCFM); clogged shrouds reduce dust extraction and increase pad loading.
• Inspect ESD grounding wire regularly: Ensure the ground connection is intact to maintain static discharge protection performance.
• Check backing pad condition: Replace worn 8" hook-face pads to avoid imbalance, vibration, and uneven sanding.
• Tighten all air fittings & swivel connections: Prevent leaks that reduce torque and increase compressor load.
• Clean shroud & overskirt after use: Prevent buildup of filler dust that reduces vacuum efficiency.
• Store in a dry environment: Protect gear train and air motor from corrosion.