4 X 48 Inch Aluminum Oxide Metal Sanding Belts, 3 Pack

$17.17 ~~$28.62~~ In stock

4x48" Aluminum Oxide Metal Sanding Belts

Our closed coat aluminum oxide sanding belts are designed specifically for use on metal. This industrial grade material features a load and heat reducing top coat, making it excellent for knife making and other metalworking applications. Heavy duty X-weight backing can handle spritzing but is not fully waterproof. Hand built in the USA.

Pack Quantity: 3

Available Grits: 36, 40, 60, 80, 100, 120, 150, 180, 220, 320, 400

Weight: X-weight

Backing Material: Polyester/cotton blend

Waterproof: No

Applications: Ideal for use on stainless steel, high and low carbon steel, nonferrous metals (aluminum, copper, titanium, nickel, etc.), hardwood and solid surface

Closed Coat

Joint: Bi-directional tape joint allows belt to run in EITHER direction (disregard arrows

Grinding Aid: Load and heat reducing top coat

Bonding: Resin over resin

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Miles ★★★★★ Oct 22, 2026

Used these on a steel railing project and the 4x48 size fit my belt sander perfectly, the aluminum oxide cut through the metal much faster than my generic belts. Very impressed with how they handled the heat without breaking down during heavy use.

Owen T. ★★★★★ Oct 21, 2026

The closed coat really holds up—I ran these on a mix of mild steel and aluminum and they didn’t load up or glaze over like cheaper belts I’ve tried. Heat buildup stayed low too, which made the finishing pass a lot smoother.

Ellie R. ★★★★★ Oct 20, 2026

Used them on a quick steel grinding job and the closed coat really does keep the heat down—no glazing or burn marks after several passes. Three belts in the pack means I’m not stopping to swap out mid-project, which is exactly what I needed.