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4-Inch Coarse Grit Aluminum Oxide Fiber Sanding Discs, Pkg Qty 100

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Industrial · SKU: AA4315050

4-Inch Coarse Grit Aluminum Oxide Fiber Sanding Discs, Pkg Qty 100

This 4-inch coarse grit sanding disc is engineered for rapid material removal on metal, wood, and painted surfaces.

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$69.99
$0.70/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$69.99
11 - 50-5%$66.49
51+-10%$62.99
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Quick Answer

How Buyers Should Evaluate 4-Inch Coarse Grit Aluminum Oxide Fiber Sanding Discs, Pkg Qty 100

This 4-inch coarse grit sanding disc is engineered for rapid material 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: 24
  • Abrasive Grit: Coarse
  • Backing Material Type: Fiber

Purchase Details

  • Online price starts at $69.99.
  • 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 Grade24
Abrasive GritCoarse
Backing Material TypeFiber
Abrasive MaterialAluminum Oxide
Disc Diameter3.94 in
Attachment TypeArbor Hole
Grit24
Product Details

Full Description

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

Overview

This 4-inch coarse grit sanding disc is engineered for aggressive stock removal and heavy-duty surface preparation. Utilizing a premium aluminum oxide abrasive on a reinforced fiber backing, it delivers fast cutting action and exceptional durability under high-stress grinding applications. It is designed for compatibility with standard angle grinders, making it a reliable consumable for workshops and industrial settings requiring efficient material removal on metals, wood, and painted surfaces.

Key Features

Engineered for rapid material removal on metal, wood, and painted substrates. Constructed with durable aluminum oxide abrasive for consistent cutting performance and long service life. Reinforced fiber backing provides superior strength and tear resistance during demanding use. Standard 5/8-inch arbor hole ensures secure and easy mounting on most angle grinders. Rated for a maximum safe operating speed of 14,200 RPM for high-speed applications. Coarse 24-grit abrasive is ideal for initial leveling, weld seam removal, and heavy paint stripping.

Specifications

Abrasive Material: Aluminum Oxide Abrasive Grit: Coarse (24 Grit) Backing Material: Reinforced Fiber Disc Diameter: 3.94 inches Arbor Hole Diameter: 5/8 inches Maximum Operating Speed: 14,200 RPM Attachment Type: Arbor Hole Package Quantity: 100 discs

Applications

Heavy weld grinding and seam blending in metal fabrication. Rapid stock removal and shaping on wood and composites. Aggressive surface preparation and paint stripping. Leveling and smoothing rough surfaces on concrete and masonry. General-purpose grinding and deburring in maintenance, repair, and operations (MRO) environments.

Frequently Asked Questions

What are the key specifications for these sanding discs, and are they suitable for heavy-duty material removal?
These are 4-inch (100mm) diameter discs with a 24-grit coarse aluminum oxide abrasive on a fiber backing. They are rated for a maximum operating speed of 72 m/s (approximately 14,000 RPM) and are specifically designed for aggressive stock removal on materials like metal, wood, and paint.
What are the primary applications or use cases for this coarse grit disc?
This 24-grit disc is ideal for initial rough sanding, weld seam leveling, heavy rust removal, and rapid shaping of wood or metal. Its coarse aluminum oxide construction provides a fast, aggressive cut, making it perfect for the first step in a multi-stage finishing process.
How are these discs packaged and what is the minimum order quantity?
The discs are sold in a bulk pack of 100 pieces. Each disc has a standard 5/8-inch (16mm) arbor hole for secure attachment to most angle grinders and sanders.
4-Inch Coarse Grit Aluminum Oxide Fiber Sanding Discs, Pkg Qty 100 | Machrio