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4-Inch Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100

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Unbranded · SKU: AF3702109

4-Inch Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100

This 4-inch fiberglass-backed sanding disc is engineered for aggressive stock removal on metal, wood, and painted surfaces. The durable aluminum oxide abrasive in a medium grit provides a consistent, fast-cutting action with a distinctive fish-scale pattern that resists loading. Its reinforced fiberglass construction offers superior safety and tear resistance under high-speed operation. The standard 5/8-inch arbor hole ensures secure, universal fitment on most angle grinders for efficient material preparation and finishing.

2-3 weeks
$59.99($0.60/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$59.99 / each
10 - 49-5%$56.99 / each
50+-10%$53.99 / each
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Technical Specifications

Abrasive GradeMedium
Abrasive GritMedium
Backing Material TypeFiberglass
Abrasive MaterialAluminum Oxide
Disc Diameter4.02 in
Attachment TypeArbor Hole
GritMedium

Product Description

Overview

This 4-inch fiberglass-backed sanding disc is engineered for aggressive stock removal and efficient surface preparation in demanding industrial and trade environments. Utilizing a premium aluminum oxide abrasive in a medium grit, it delivers a fast, consistent cut on a wide range of materials. The distinctive fish-scale pattern of the abrasive layer is specifically designed to minimize clogging and resist loading, maintaining optimal cutting performance throughout the disc's lifespan. Its robust construction ensures durability and safety during high-speed operation on angle grinders.

Key Features

Engineered with a durable fiberglass backing for superior tear resistance and operator safety. Premium aluminum oxide abrasive provides a fast, consistent cut on metal, wood, and painted surfaces. Unique fish-scale abrasive pattern reduces loading and clogging for sustained performance. Reinforced center and standard arbor hole ensure secure, vibration-free mounting on most tools. Ideal for rapid material removal, weld smoothing, and surface leveling tasks.

Specifications

Abrasive Material: Aluminum Oxide Backing Material: Reinforced Fiberglass Disc Diameter: 4.02 inches Arbor Hole Diameter: 5/8 inch Abrasive Grade: Medium Grit Designation: Medium Package Quantity: 100 discs

Applications

Metal fabrication and weld seam blending

Woodworking for rapid stock removal and shaping

Surface preparation prior to painting or coating

Automotive bodywork and repair General maintenance, repair, and operations (MRO) in industrial settings

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Frequently Asked Questions

What are the key specifications of 4-Inch Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100?
Key specifications for 4-Inch Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100: Abrasive Grade: Medium, Abrasive Grit: Medium, Backing Material Type: Fiberglass. 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 Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100?
The minimum order quantity is 1 unit(s). Unit price starts at $59.99. 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 Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100?
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 Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100?
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.