Fiber disc 4",5",6",7" for metal and wood polishing and grinding, girt 24#,36#,40#,60#,80#,100#,120# for angle grinder
Product Overview
Premium fiber discs engineered for high-performance grinding, polishing, and finishing on both metal and wood surfaces. Designed for use with standard angle grinders (4-inch to 7-inch), these discs are built with a reinforced fiber backing for durability, flexibility, and safety during high-speed operation. Ideal for metalworking, fabrication, automotive repair, wood shaping, and surface preparation.
Key Features & Benefits
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Multi-Surface Compatibility: Effectively grind and polish metal (steel, aluminum, alloys) and wood with one versatile product line.
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Reinforced Fiber Backing: Provides exceptional strength, reduces tearing, and offers added safety by minimizing breakage under pressure.
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Full Grit Range: From aggressive material removal to fine finishing (24# to 120#), covering every stage of your project.
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Heat & Tear Resistant: Designed to withstand high RPMs and friction, ensuring longer disc life and consistent performance.
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Quick-Change Compatibility: Fits standard angle grinder locking mechanisms for easy and secure installation.
Specifications
| Attribute | Details |
|---|---|
| Available Sizes | 4 inches, 5 inches, 6 inches, 7 inches (fits most angle grinders) |
| Grit Range | 24#, 36#, 40#, 60#, 80#, 100#, 120# |
| Application | Grinding, deburring, polishing, finishing on metal and wood |
| Backing Material | Reinforced fiber (flexible yet durable) |
| Max RPM | 13,000+ RPM (check disc label for specific rating) |
| Center Hole | Standard 7/8 inch (22.23mm) or as specified per size |
| Package Options | Sold in sets or bulk packs per grit/size |
Grit Guide & Recommended Use
| Grit Number | Surface Texture | Recommended Application |
|---|---|---|
| 24#, 36# | Coarse | Heavy stock removal, weld leveling, rapid shaping of wood, rust/paint stripping. |
| 40#, 60# | Medium | General grinding, edge blending, intermediate smoothing, removal of deeper scratches. |
| 80#, 100# | Fine | Pre-finish smoothing, fine wood shaping, preparing surfaces for painting or coating. |
| 120# | Very Fine | Final finishing, light polishing, fine scratch removal, readying surfaces for polishing. |
Application Instructions
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Safety First: Always wear safety glasses, gloves, and a respirator. Ensure workpiece is secured.
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Select Disc: Choose the correct size for your grinder and appropriate grit for your task.
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Install Disc: Attach securely to angle grinder using the lock nut. Ensure it is centered and tight.
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Test Run: Allow grinder to reach full speed in a safe direction before contacting workpiece.
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Apply Even Pressure: Use steady, moderate pressure—let the disc do the work. Avoid overheating.
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Move Methodically: Keep the disc moving across the surface to prevent gouging or uneven wear.
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Inspect Regularly: Replace disc when worn or damaged to maintain efficiency and safety.
Ideal For
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Metal fabricators & welders
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Automotive repair & restoration
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Woodworkers & carpenters
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DIY enthusiasts & home workshops
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Construction & renovation projects
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Maintenance & repair technicians
Why Choose Our Fiber Discs?
✅ Versatility – One disc type for multiple materials.
✅ Durability – Reinforced fiber extends lifespan, even under heavy use.
✅ Consistent Performance – Even grain distribution for smooth, predictable results.
✅ Value – Competitive pricing with professional-grade quality.
✅ Wide Selection – Full range of sizes and grits for any task.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.