3M 7000121901 Unitized Abrasive Wheel Silicon Carbide 4 Inch

Product Description

The 3M 7000121901 is a 4-inch diameter unitized abrasive wheel in the Standard Abrasives Silicon Carbide 600 Series. It carries a soft-to-medium density construction designed for medium-pressure finishing and polishing on both flat and contoured surfaces. Silicon carbide mineral provides consistent cutting action across ferrous and non-ferrous metals, including exotic alloys and titanium, as well as composite materials. The open web structure resists loading, extending service life. This wheel is suited for use by metalworkers, fabricators, and finishing technicians who need controlled material removal with a refined surface result.

The 600 Series wheel is intended for medium-pressure finishing and polishing applications where edge durability matters. It is a step up from the 500 Series, offering improved edge life for applications on flat stock, curved profiles, and complex contours. Typical uses include deburring, light blending, and surface conditioning in shop and production environments. The wheel runs both clockwise and counterclockwise, which increases its versatility across different tool and machine setups.

Key Features

• Soft-to-medium density silicon carbide construction suited for medium-pressure finishing and polishing
• Silicon carbide mineral works on ferrous and non-ferrous metals, exotic alloys, titanium, and composites
• Improved edge durability over the 500 Series for longer abrasive service life
• Runs clockwise and counterclockwise for greater versatility with various tools and machines
• Open web design resists loading and contributes to extended service life

Compatibility

Designed as an OEM-style unitized wheel for use with right-angle grinders, bench grinders, and finishing machines that accept 4-inch diameter unitized wheel accessories.

Installation Notes

Installation should be performed by trained metalworking or finishing technicians familiar with abrasive wheel safety standards. Always power down and disconnect the tool from its power source before mounting or removing the wheel. Verify that the tool spindle speed does not exceed the rated RPM of the wheel before operation. Inspect the wheel for damage before each use and follow applicable ANSI B7.1 safety guidelines for abrasive wheel mounting and guarding.

Technical Specifications

• Diameter: 4 inches
• Series: 600
• Abrasive Mineral: Silicon Carbide
• Density: Soft to Medium
• Wheel Type: Unitized
• Weight: 1.05 pounds
• Package Dimensions: 4.56 x 4.56 x 4.31 inches
• Sold As: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121901