3M 7000119302 Disc Pad Hub Retainer Nut M14-2 Internal

Product Description

The 3M 7000119302 is a disc pad hub and retainer nut kit designed to mount fiber discs onto angle grinders equipped with an M14-2 threaded spindle. The hub measures 2.5 inches and uses an M14-2 internal thread to secure the assembly. It is compatible with all 3M fiber disc face plates, making it a direct fit for a wide range of 3M abrasive disc systems. Licensed tradespeople working in metal fabrication, welding prep, and surface conditioning applications rely on this hardware to keep abrasive discs locked securely during operation. The kit ships as a single unit containing both the hub and the retainer nut.

This hub and retainer nut kit is intended for use with 4.5 inch through 9 inch 3M fiber discs that have a 7/8 inch or 22 mm center hole. It is suited for professional grinding tasks across residential, commercial, and industrial settings where consistent disc seating and secure spindle engagement are required. Angle grinder operators in metalworking, construction, and maintenance trades are the primary installers of this component.

Key Features

• M14-2 internal thread fits grinders with M14-2 threaded spindles
• Compatible with all 3M fiber disc face plates
• Supports 4.5 inch through 9 inch fiber discs with a 7/8 inch or 22 mm center hole
• Hub diameter of 2.5 inches for stable disc mounting
• Kit includes both the disc pad hub and retainer nut

Compatibility

Compatible with 4.5 inch through 9 inch 3M fiber discs featuring a 7/8 inch or 22 mm center hole, and designed for use on grinders with an M14-2 threaded spindle. Fits all 3M fiber disc face plates.

Installation Notes

Installation should be performed by a qualified operator familiar with angle grinder maintenance and abrasive disc mounting procedures. Disconnect the grinder from its power source and confirm the tool is fully de-energized before removing or installing the hub assembly. Hand-tighten the retainer nut to the appropriate snugness using the grinder wrench supplied with the tool, and verify the disc is seated flat against the face plate before resuming operation. Always inspect the hub and retainer nut for wear or damage prior to each use.

Technical Specifications

• Thread Size: M14-2 Internal
• Hub Diameter: 2.5 inches
• Compatible Disc Size Range: 4.5 inches to 9 inches
• Compatible Center Hole Size: 7/8 inch or 22 mm
• Unit of Measure: Kit
• Weight: 2.26 pounds
• UPC: 00051141284163

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000119302