3M 7100066678 Hook Loop Disc 180 Grit 5 Inches Ceramic

Product Description

The 3M 7100066678 is a 5-inch ceramic abrasive disc designed for use with hook and loop random orbital and disc sanders. Part of the 3M 732U series, this disc features a coated ceramic abrasive at 180 grit, placing it in the fine grade range. Ceramic abrasive cuts faster and lasts longer than standard aluminum oxide on ferrous metals, hardwoods, and composites. Each disc measures 5 inches in diameter and weighs 0.01 pounds, making it a lightweight consumable suited for surface finishing and prep work. Sold individually.

This disc is used in metalworking, woodworking, and general surface preparation applications where consistent fine-grit stock removal and a smooth finish are required. The hook and loop backing allows for fast disc changes without adhesive, reducing downtime between grits. It is well suited for use by metal fabricators, finish carpenters, body shop technicians, and industrial maintenance personnel working with orbital sanders in production or service environments.

Key Features

• 5-inch diameter hook and loop backing for tool-free disc changes
• 180 grit ceramic abrasive in the fine grade range
• Coated construction for consistent cut rate and finish quality
• 3M 732U series ceramic grain provides extended service life versus conventional abrasives
• Lightweight at 0.01 pounds per disc

Compatibility

Designed as a replacement-style consumable for use with 5-inch hook and loop random orbital and disc sanders accepting standard 5-inch hook and loop abrasive discs.

Installation Notes

Attach the disc to the sander pad by aligning the hook and loop surfaces and pressing firmly before operation. Ensure the sander is powered off and unplugged before changing discs. Inspect the backing pad for worn or damaged hooks before mounting a new disc, as a degraded pad reduces disc retention and cutting consistency. Follow applicable workplace safety guidelines for abrasive tool use, including appropriate eye and respiratory protection.