3M 7100077050 Orbit Shaft Balancer 5 in Random Orbital Sander

Product Description

The 3M 7100077050 is a counter-weighted orbit shaft balancer engineered to neutralize vibration caused by the orbiting motion of a backup pad during sanding. By offsetting the eccentric movement of the pad, this balancer reduces operator fatigue and promotes smoother tool operation. It is designed for use in 5-inch random orbital sanders with a 3/16-inch orbit. Licensed sanders and abrasive finishing technicians rely on this component to maintain consistent surface contact and extend the service life of both the tool and the abrasive media attached to the backup pad.

This orbit shaft balancer is intended for 5-inch random orbital sanders operating with a 3/16-inch orbit pattern. It is suited for automotive body finishing, woodworking, and light metal fabrication environments where vibration control directly affects finish quality. The part is sold individually and is a direct internal component replacement, typically serviced during scheduled tool maintenance or when excessive vibration is detected during operation.

Key Features

• Counter-weighted design neutralizes orbital vibration for smooth sander operation
• Engineered specifically for 5-inch random orbital sanders with a 3/16-inch orbit
• Reduces operator fatigue by dampening eccentric pad movement
• Supports consistent backup pad contact with the work surface
• Sold individually for single-unit service or replacement

Compatibility

Designed as an OEM-style internal replacement component for 5-inch random orbital sanders with a 3/16-inch orbit pattern.

Installation Notes

Installation of an orbit shaft balancer is an internal tool repair task typically performed by a qualified tool service technician. Power down and disconnect the sander from any power source before disassembling the tool housing. Use manufacturer-specified service documentation and appropriate hand tools for internal component access. Follow all applicable workplace safety guidelines when servicing pneumatic or electric power tools.

Technical Specifications

• Compatible Sander Size: 5 inches
• Orbit Size: 3/16 inches
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 00051115281785

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100077050