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4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250

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Unbranded · SKU: AA4356761

4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250

This 4-inch depressed center sanding disc is engineered for heavy-duty stock removal on metal and wood surfaces. Its coarse 24-grit aluminum oxide abrasive provides rapid material cutting and a long service life, while the reinforced fiber backing offers durability under high-pressure applications. The disc is compatible with standard 5/8-inch-11 threaded angle grinders, making it suitable for demanding fabrication, weld blending, and surface preparation tasks. Each package contains 250 discs for high-volume workshop use.

2-3 weeks
$129.99($0.52/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$129.99 / each
10 - 49-5%$123.49 / each
50+-10%$116.99 / each
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Technical Specifications

Abrasive Grade24
Abrasive GritCoarse
Backing Material TypeFiber
Abrasive MaterialAluminum Oxide
Disc Diameter3.94 in
Attachment TypeDepressed Center
Grit24

Product Description

Overview

This 4-inch depressed center sanding disc is engineered for aggressive stock removal in demanding industrial and workshop environments. Utilizing a coarse 24-grit aluminum oxide abrasive, it delivers rapid cutting action on a wide range of materials, including metal, wood, and composites. The reinforced fiber backing provides exceptional durability and resistance to tearing, even under high-pressure applications and on uneven surfaces. Designed for compatibility with standard 5/8-inch-11 threaded angle grinders, this disc is a reliable solution for high-volume fabrication, weld preparation, and surface conditioning tasks.

Key Features

Coarse 24-grit aluminum oxide abrasive for fast material removal

Reinforced fiber backing for superior strength and tear resistance

Depressed center design allows for secure attachment and efficient debris clearance Engineered for high-speed operation on angle grinders

Consistent performance across the entire disc surface for uniform finish Ideal for heavy-duty grinding and blending applications

Specifications

Abrasive Material: Aluminum Oxide Abrasive Grade: 24 Grit Classification: Coarse Disc Diameter: 3.94 inches Backing Material Type: Reinforced Fiber Attachment Type: Depressed Center Arbor Hole: 5/8-inch-11 thread Package Quantity: 250 discs

Applications

Weld seam blending and smoothing in metal fabrication Heavy stock removal on steel, aluminum, and other metals

Rapid surface leveling and conditioning on wood and composites Preparing surfaces for painting, coating, or further finishing General grinding and deburring in maintenance, repair, and operations (MRO) Construction and automotive repair work requiring aggressive material removal

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Frequently Asked Questions

What are the key specifications of 4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250?
Key specifications for 4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250: Abrasive Grade: 24, 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 4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250?
The minimum order quantity is 1 unit(s). Unit price starts at $129.99. 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 4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250?
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 4-Inch Fiber Backing Coarse Grit Aluminum Oxide Sanding Discs, Pkg Qty 250?
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.