3M 7100113075 Cubitron Ii Hookit Disc 5 Inch 120 Grit

Product Description

The 3M 7100113075 is a Cubitron II Hookit Cloth Disc 947A designed for high-efficiency grinding and blending on metal surfaces. It uses 3M Precision Shaped Grain, a triangular ceramic abrasive that fractures along engineered angles to continuously expose sharp cutting edges. Mounted on an X-weight polyester-cotton cloth backing, the disc handles medium to high pressure applications without breaking down prematurely. A built-in grinding aid actively reduces heat buildup at the work surface, and resin bond construction resists thermal degradation to help prevent workpiece discoloration. The disc measures 5 inches in diameter and runs at up to 12000 RPM.

This disc is suited for grinding, blending, and finishing on stainless steel, carbon steel, cobalt chrome, nickel alloys, and other exotic alloys in fabrication, weld preparation, and weld blending applications. The Hookit attachment system allows the disc to be removed and reattached quickly to a compatible Hookit backup pad, reducing changeover time in production and field environments. Metalworkers, fabricators, and maintenance technicians handling demanding alloy work will find this disc appropriate for both shop and job-site use.

Key Features

• Precision Shaped Grain delivers fast, consistent cut rates on hard metals and exotic alloys
• Hookit hook-and-loop attachment enables rapid disc changes and disc reuse over its service life
• X-weight polyester-cotton cloth backing provides rigidity for aggressive material removal
• Grinding aid reduces friction heat, helping protect workpiece finish and metallurgical integrity
• Resin bond resists heat to minimize discoloration on stainless and high-alloy surfaces
• Rated to 12000 RPM for use on standard right-angle grinders with compatible backup pads

Compatibility

Designed for use with Hookit-compatible backup pads on right-angle grinders. Suited for grinding and finishing applications on stainless steel, carbon steel, cobalt chrome, nickel alloys, and other exotic alloys.

Installation Notes

Installation should be performed by qualified metalworking or maintenance personnel familiar with angle grinder safety procedures. Verify that the grinder speed does not exceed the 12000 RPM disc rating before mounting. Ensure the backup pad is clean and the Hookit surface is free of debris before attaching the disc. Always wear appropriate personal protective equipment including face shield, gloves, and hearing protection when operating grinding equipment.

Technical Specifications

• Diameter: 5 inches
• Grit: 120
• Maximum Speed: 12000 RPM
• Backing Material: X-weight polyester-cotton cloth
• Abrasive Type: Precision Shaped Grain ceramic
• Attachment Type: Hookit hook-and-loop
• Package Weight: 5.748 pounds
• Package Length: 19.2 inches
• Package Width: 5.9 inches
• Package Height: 6.3 inches
• UPC: 076308457186

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100113075