3M 7100078154 Sanding Disc 6 Inch P120 Grit

Product Description

The 3M 7100078154 is a coated abrasive sanding disc engineered for clean, efficient material removal in finish sanding applications. Built on a C-weight paper backing, it uses aluminum oxide grains and a proprietary multi-hole pattern to evacuate dust more effectively than standard 5- or 6-hole disc designs. The open-coat, load-resistant surface resists clogging and maintains cut throughout the disc life. At 6 inches in diameter and P120 grit, this disc is suited for intermediate to finish sanding passes on wood, composites, and similar surfaces. Installation and removal are handled through a hook-and-loop fastening system, making disc changes fast and tool-free.

This disc is designed for use with 6-inch random orbital sanders equipped with hook-and-loop backing pads. It is a strong fit for woodworking shops, cabinet finishing, and light surface prep work in residential and light commercial settings. The multi-hole dust extraction pattern works with sander vacuum ports to keep the work surface clear, improving visibility and reducing airborne particulate during operation. Professional finishers, carpenters, and general contractors commonly use this disc for sealer scuffing, between-coat sanding, and final surface preparation before finishing.

Key Features

• Proprietary multi-hole pattern evacuates dust more effectively than 5- or 6-hole designs without requiring hole alignment
• Aluminum oxide abrasive grain cuts faster and outlasts traditional garnet abrasives
• Open-coat, load-resistant surface resists loading and clogging for consistent cut rate
• C-weight paper backing provides firm support for aggressive sanding strokes
• Hook-and-loop attachment allows fast disc changes and disc reuse

Compatibility

Designed for use with 6-inch hook-and-loop random orbital sanders. Compatible with sanders that accept hook-and-loop backed abrasive discs with multi-hole dust extraction patterns.

Installation Notes

Installation requires a 6-inch random orbital sander with a hook-and-loop backing pad in serviceable condition. Power down and disconnect the sander before changing discs. Align the disc holes with the sander pad ports to maintain dust extraction performance. Inspect the backing pad regularly — a worn or contaminated pad reduces disc adhesion and can cause disc separation during use.

Technical Specifications

• Diameter: 6 inches
• Grit: P120
• Abrasive Material: Aluminum Oxide
• Backing Weight: C-Weight Paper
• Coating Type: Open Coat, Load-Resistant
• Attachment Type: Hook and Loop
• Weight: 0.02 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100078154