3M 7100163223 Abrasive Belt 40 Grit 18x3/4 Inch Cloth

Product Description

The 3M 7100163223 is the Cubitron II 981F abrasive sanding belt, built for grinding, weld removal, finishing, and blending on softer metals. It features 3M Precision-Shaped Grain on a tough Y-weight polyester cloth backing. This grain geometry cuts fast and stays sharp longer than conventional abrasive grains, reducing cycle time on aluminum, brass, and bronze. The belt measures 18 inches in length and 3/4 inch in width with a 40-grit cut rating. An integrated dry lubricant and water-resistant polyester construction allow use with liquid coolants, keeping temperatures down and preventing loading during extended grinding passes. Licensed trades and metal fabricators are the primary installers and users of this belt.

This belt is suited for portable and stationary belt grinder applications targeting soft metal substrates in fabrication shops, welding operations, and maintenance environments. Typical applications include deburring aluminum extrusions, blending weld seams on bronze fixtures, and surface finishing brass components. The 40-grit designation makes it most effective for aggressive stock removal and initial-pass grinding rather than final-stage finishing. It is sold individually and is appropriate for both shop and field use wherever a compatible belt grinder is in service.

Key Features

• 3M Precision-Shaped Grain for fast cutting on aluminum, brass, and bronze
• Integrated dry lubricant reduces loading when grinding soft metals
• Water-resistant Y-weight polyester cloth backing supports use with liquid coolants
• Durable resin bond resists heat deterioration, extending abrasive life
• Strong mineral adhesion reduces shelling during edge-of-belt grinding
• 18 inch length and 3/4 inch width fit standard narrow belt grinders

Compatibility

Designed for use on soft metal substrates including aluminum, brass, and bronze with compatible belt grinders accepting an 18 inch by 3/4 inch abrasive belt.

Installation Notes

Belt installation and replacement should be performed by a qualified operator following the grinder manufacturer's safety guidelines. Power down and unplug or lock out the grinder before changing belts. Verify belt tracking and tension before resuming operation. When using liquid coolants, ensure the coolant system is compatible with the grinder and that runoff is managed per applicable shop safety standards.

Technical Specifications

• Grit: 40
• Belt Length: 18 inches
• Belt Width: 3/4 inch
• Backing Material: Y-weight polyester cloth
• Abrasive Type: 3M Precision-Shaped Grain
• Bond Type: Resin
• Water Resistant: Yes
• Unit of Measure: Each
• Package Weight: 7.65 pounds
• Package Length: 12 inches
• Package Width: 12 inches
• Package Height: 9.25 inches
• UPC: 638060054838

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100163223