3M 7100191050 Hookit Sanding Disc 3 Inch P120 Grit Ao

Product Description

The 3M 7100191050 is a Hookit Clean Sanding Disc designed for random orbital and hook-and-loop sanders used in surface preparation, finishing, and paint-prep applications. The disc measures 3 inches in diameter and cuts with P120-grit aluminum oxide abrasive bonded to a C-weight paper backing. A proprietary multi-hole pattern built into the disc evacuates sanding dust more efficiently than standard 5- or 6-hole configurations, extending disc life and maintaining consistent cut rate. The scalloped edge and open-coat construction resist loading, keeping the abrasive surface clear throughout the life of the disc.

This disc is suited for wood, painted surfaces, and light metal prep work in shop or field environments. The hook-and-loop Hookit attachment system allows fast pad changes without tools, making it practical for production finishing, cabinetry, automotive body work, and general surface conditioning tasks. The multi-hole pattern requires no hole alignment during installation, reducing setup time between disc changes. P120 grit is commonly used for intermediate sanding stages where material removal and surface smoothing are both priorities.

Key Features

• Proprietary multi-hole pattern provides superior dust extraction compared to 5- or 6-hole disc designs
• Open-coat, load-resistant construction prevents clogging and maintains cut rate
• Hookit hook-and-loop attachment enables tool-free disc changes and disc reuse
• Aluminum oxide grain cuts faster and outlasts traditional garnet abrasives
• C-weight paper backing supports aggressive sanding without premature disc failure
• Scalloped disc edge improves flexibility and edge feathering

Compatibility

Designed for use with 3-inch Hookit hook-and-loop sanding pads on random orbital sanders compatible with the Hookit attachment system.

Installation Notes

Installation and disc changes should be performed with the sander powered off and unplugged. Align the disc firmly to the hook-and-loop pad before applying power to prevent uneven wear or detachment during operation. Inspect the pad backing surface regularly for worn hooks that may reduce disc retention. Dust collection should remain active during sanding to capture fine particulate and maintain visibility of the work surface.

Technical Specifications

• Disc Diameter: 3 inches
• Grit: P120
• Abrasive Material: Aluminum Oxide
• Backing Weight: C-weight paper
• Coat Type: Open coat
• Attachment Type: Hookit hook-and-loop
• Edge Style: Scalloped
• Package Weight: 2.016 pounds
• Package Dimensions: 6.88 x 6.88 x 5.88 inches
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100191050