3M 7100188483 Sanding Belt 36 Grit 21x3 Inch

Product Description

The 3M 7100188483 is a rapid removal power sanding belt engineered for aggressive material removal across wood, plastic, and metal surfaces. Built with Precision-Shaped Grain technology, this belt cuts faster and lasts longer than conventional abrasive belts. It measures 21 inches in length and 3 inches in width and carries a coarse 36 grit rating, making it well suited for stock removal, leveling, and surface prep. The grain construction also resists heat buildup and moisture, reducing premature loading and extending belt life on demanding applications.

This belt is designed for use with stationary or portable belt sanders in woodworking shops, metal fabrication environments, and general contractor settings. Its coarse 36 grit designation makes it most effective at the early stages of a sanding sequence, where fast material removal or surface correction is the primary goal. It is also compatible across multiple stages of sanding when blending between coatings, removing old finishes, or leveling uneven surfaces. Licensed trades workers and experienced DIYers working with wood framing, composite panels, or light metal stock will find this belt appropriate for their equipment.

Key Features

• Precision-Shaped Grain technology for faster, longer-lasting cuts compared to traditional abrasive belts
• Coarse 36 grit rating optimized for aggressive stock removal and surface leveling
• Resists heat buildup and moisture to reduce loading and extend service life
• Compatible with wood, plastic, and metal workpieces
• 3 inch by 21 inch belt size fits a wide range of standard belt sander models
• Sold individually, one belt per package

Compatibility

Designed as an OEM-style replacement and standard consumable for belt sanders accepting a 3 inch by 21 inch abrasive belt.

Installation Notes

Installation is performed by woodworkers, metal fabricators, and general tradespeople using belt sanders. Always disconnect or power down the sander before changing belts. Confirm belt tracking direction arrows align with the sander drum rotation before securing the belt and resuming operation. Inspect the platen and drive rollers for wear or debris before fitting a new belt to avoid premature failure.

Technical Specifications

• Grit: 36 Coarse
• Belt Length: 21 inches
• Belt Width: 3 inches
• Abrasive Material: Aluminum Oxide with Precision-Shaped Grain
• Compatible Substrates: Wood, Plastic, Metal
• Package Quantity: 1 belt per pack
• Package Weight: 2.459 pounds
• UPC: 638060273970

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100188483