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

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Industrial · 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.

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$59.99
$0.60/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$59.99
11 - 50-5%$56.99
51+-10%$53.99
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Quick Answer

How Buyers Should Evaluate 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. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Abrasive Grade: Medium
  • Abrasive Grit: Medium
  • Backing Material Type: Fiberglass

Purchase Details

  • Online price starts at $59.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 100 / Each.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

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

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

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

Frequently Asked Questions

What are the exact specifications of this sanding disc, and what tools is it compatible with?
This disc is a 4.02-inch diameter, medium-grit aluminum oxide abrasive on a fiberglass backing. It features a standard 0.63-inch arbor hole and is designed for use with standard 4-inch angle grinders and palm sanders.
What are the primary applications or materials this disc is best suited for?
The medium-grit aluminum oxide construction is ideal for general-purpose material removal, smoothing welds, and surface preparation on metals like steel and aluminum. It is also effective for shaping and smoothing wood and composites.
How are these discs packaged, and what is the minimum order quantity?
The discs are sold in a bulk pack of 100 pieces. They are typically packaged in a sturdy box or sleeve to prevent damage during shipping and storage.
4-Inch Fiberglass Aluminum Oxide Sanding Discs, Medium Grit, Pkg Qty 100 | Machrio