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Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12

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Unbranded · SKU: AF7945178

Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12

This coarse grit, 4-inch diameter sanding disc is engineered for aggressive stock removal on metal, wood, and painted surfaces. Its aluminum oxide abrasive provides consistent cutting action and durability, while the reinforced fiber backing offers flexibility and resistance to tearing under pressure. The standard arbor hole ensures secure mounting on angle grinders for efficient material preparation, weld cleaning, and surface leveling tasks. Each package contains 12 discs for extended project use.

2-3 weeks
$79.99($6.67/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$79.99 / each
10 - 49-5%$75.99 / each
50+-10%$71.99 / each
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Technical Specifications

Abrasive GradeCoarse
Abrasive GritCoarse
Backing Material TypeFiber
Abrasive MaterialAluminum Oxide
Disc Diameter4 in
Attachment TypeArbor Hole
GritCoarse

Product Description

Overview

This coarse grit sanding disc is engineered for aggressive material removal and rapid surface preparation across a wide range of industrial and trade applications. Its durable construction combines a premium aluminum oxide abrasive with a reinforced fiber backing, delivering a powerful cutting action that stands up to demanding use on metal, wood, and composite surfaces. The 4-inch diameter and standard arbor hole make it compatible with common right-angle grinders, providing a reliable solution for leveling welds, stripping paint, and removing heavy corrosion or mill scale.

Key Features

Engineered for aggressive stock removal on hard materials

Premium aluminum oxide abrasive for consistent cutting and long service life

Reinforced fiber backing provides flexibility and resists tearing under pressure Standard arbor hole ensures secure, vibration-free mounting on 4-inch grinders

Coarse grit design quickly levels surfaces and prepares them for finishing

Specifications

Abrasive Material: Aluminum Oxide Backing Material: Reinforced Fiber Disc Diameter: 4 inches Grit Classification: Coarse Attachment Type: Arbor Hole Package Quantity: 12 discs

Applications

Weld seam leveling and cleanup on steel fabrication Heavy paint, rust, and scale removal from metal surfaces

Initial shaping and leveling of wood and composite materials Surface preparation prior to painting, coating, or bonding General-purpose grinding and blending in maintenance and repair shops

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Frequently Asked Questions

What are the key specifications of Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12?
Key specifications for Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12: Abrasive Grade: Coarse, Abrasive Grit: Coarse, Backing Material Type: Fiber. See the full specification table on this page for complete details. If you need help confirming whether this product fits your application, use our AI Sourcing Assistant or submit an RFQ with your requirements.
What is the minimum order quantity and bulk pricing for Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12?
The minimum order quantity is 1 unit(s). Unit price starts at $79.99. Volume discounts are available — see the tiered pricing table on this page for exact breakpoints. For quantities beyond what is listed, or for custom pricing on recurring orders, submit an RFQ and our team will respond within 24 hours.
What is the lead time and availability for Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12?
This product is currently in stock and ships within 1-2 business days. Estimated lead time: 2-3 weeks. For bulk orders, lead times may vary based on quantity — request a quote for a confirmed delivery date. We can also arrange scheduled recurring shipments to prevent stockouts.
How do I get a custom quote for Coarse Grit 4-Inch Aluminum Oxide Fiber Sanding Discs, Pkg Qty 12?
Click the "Request a Quote" button on this page or visit our RFQ form. Include your required quantity, delivery location, and any special requirements (specific certifications, custom packaging, recurring delivery schedule). Our sourcing team typically responds within 24 hours with pricing, confirmed lead time, and shipping options.