100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders
100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders
100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders
100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders
100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders
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100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders

100mm 125mm Grinding Wheel Abrasive Discs — P24 to P120 Grit Fiber‑Backed Sanding Wheels for Angle Grinders

HomeDIYer
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By HomeDIYer®

Price:
$1.56 USD
Stock:
In stock (500 units), ready to be shipped

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Description

🔧 Heavy-Duty Stock Removal for Angle Grinders — 4" 100mm & 5" 125mm Grinding Wheel Abrasive Discs P24–P120. Equip your angle grinder with abrasives built for aggressive cutting and rapid material removal. Available in both 100mm and 125mm diameters to fit the most common grinder sizes, these fiber‑backed discs deliver fast, controlled grinding on metal, wood, and composite surfaces. The coarse grit range from P24 through P120 covers everything from heavy weld seam removal and rust stripping to surface leveling and edge cleanup. A reinforced fiber backing withstands high RPM operation and resists tearing, making these discs a dependable choice for fabrication shops, automotive repair, and serious DIY metalworking projects.

⚙️ Key Features of the Grinding Wheel Abrasive Discs

📐

Two Standard Diameters: 100mm & 125mm

100mm (4") fits compact angle grinders and detail work. 125mm (5") provides broader coverage for larger surface area grinding and faster material removal on standard angle grinders.

📏

Aggressive Coarse Grit Range: P24 – P120

P24–P40 for heavy weld seam removal, intense rust stripping, and rapid stock removal. P50–P80 for general grinding and surface leveling. P100–P120 for edge cleanup and preparing surfaces for finer finishing.

💪

Reinforced Fiber Backing — Built for High RPM

The sturdy fiber disc construction withstands the high rotational speeds of angle grinders without tearing, chattering, or disintegrating. Provides reliable performance even under heavy pressure during demanding grinding tasks.

🛡️

Premium Aluminum Oxide Abrasive

Sharp, durable grain delivers consistent cutting action across metal, wood, plastics, and composites. Resists loading and maintains grinding efficiency through extended use.

⚙️

Versatile Across Materials

Effective on mild steel, stainless steel, aluminum, cast iron, wood, plastics, and fiberglass. Ideal for fabrication, automotive repair, construction, and general workshop grinding tasks.

🧰

Universal Angle Grinder Compatibility

Standard center hole fits most 100mm and 125mm angle grinders. Compatible with backing pads and lock nuts commonly found on major brand and generic grinders.

📐 Technical Specifications

Available Diameters 100mm (4 inch) · 125mm (5 inch)
Grit Range P24, P36, P40, P50, P60, P80, P100, P120
Abrasive Material Aluminum Oxide
Backing Material Reinforced fiber disc
Compatibility Angle grinders with a standard backing pad and a lock nut
Suitable Materials Mild steel, stainless steel, aluminum, cast iron, wood, plastics, fiberglass
Applications Weld seam removal, rust stripping, surface grinding, edge cleanup, stock removal
Package Includes Grinding wheel disc (quantity varies; select size and grit when ordering)

❓ Frequently Asked Questions

📏 Which grit should I choose for removing heavy weld seams?
Use P24 or P36 for the fastest weld seam removal and heavy stock removal. These coarse grits cut aggressively through metal. Follow with P60 or P80 to smooth the surface, then P120 if a finer finish is needed before paint or coating.
📐 Does the 100mm disc fit my 4-inch angle grinder?
Yes. The 100mm disc is designed for 4-inch angle grinders. The 125mm disc fits 5-inch grinders. Always verify your grinder's maximum disc diameter and ensure the RPM rating of the disc matches or exceeds your tool's maximum speed.
💪 Can I use these discs on stainless steel?
Yes. Aluminum oxide works effectively on stainless steel for weld grinding, surface preparation, and edge cleanup. For dedicated stainless work, avoid cross‑contamination from carbon steel particles to prevent rust spots.
🛡️ Will the fiber backing handle high RPM without failing?
The reinforced fiber backing is engineered to withstand the rotational speeds of standard angle grinders. Always ensure the disc's max RPM rating equals or exceeds your grinder's rated speed, and use appropriate safety equipment.
🧰 How many discs do I need for a typical metal fabrication project?
For a project like building a welding table or repairing a gate, 2–3 coarse discs (P24–P40) and 2 medium discs (P60–P80) are usually sufficient. Having extras on hand prevents workflow interruptions.
⭐ Pro tip: For maximum disc life, use a moderate angle (15–30°) and let the weight of the grinder do the work—avoid excessive pressure. Always wear safety glasses, gloves, and hearing protection when operating angle grinders.

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