Bona 8100 Sanding Disc - 150mm - 100 Grit - 50 Units

The Bona 8100 is a professional-grade abrasive sanding disc crafted from silicon carbide, a robust...

Best current price£0.70from Bradfords

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BradfordsBona 8100 Silicone Carbide Sanding Disc 150 X 8Mm - 100 Grit
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B&QB&Q - 8100 Black Silicon Carbide Disc 150mm 1X8mm Hole100 Grit1X Box (50 Units)
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Product Information

Full details

The Bona 8100 150mm sanding disc is a professional-grade abrasive designed for flooring contractors and serious DIYers looking to achieve a superior surface finish on timber floors. Crafted with high-performance silicon carbide, these discs provide exceptional cutting speed and longevity for wood preparation, though they are specifically optimized for use with edge sanders and may require a compatible hook and loop base plate.

All features

Model Part Number8100
BrandBona

Extended Product Information

FAQs

Can I use these on orbital sanders?

Yes, provided your orbital sander is 150mm and uses a hook and loop attachment system.

What is the primary benefit of silicon carbide?

Silicon carbide is extremely hard and brittle, meaning it breaks down in a way that constantly reveals fresh, sharp edges, making it ideal for sanding wood.

Is the 8mm hole compatible with all machines?

The 8mm center hole is standard for many edge sanders, but you should verify your specific machine's arbor size before purchasing.

How many discs are included in the package?

The package contains 50 high-quality 150mm sanding discs.

Can I use these for metal sanding?

While silicon carbide can cut metal, these discs are specifically engineered for timber floor preparation and may wear out prematurely on harder materials.

Troubleshooting

Disc is slipping off the sander base

Clean the hook and loop pad on the sander to remove dust buildup, ensuring the velcro-style material can grip the disc backing.

Disc is clogging quickly

Check your vacuum or dust extraction system. Even with open-coat discs, heavy dust accumulation indicates insufficient suction.

Pros and Cons

Pros

  • High-speed, cool-running performance prevents burning the wood
  • Quick changeover with hook and loop backing
  • Open-coat construction resists dust buildup
  • Produces a uniform, consistent 100-grit scratch pattern

Cons

  • Specifically sized at 150mm; not compatible with smaller 125mm sanders
  • Requires a machine with a hook and loop backing pad
  • 100 grit is for intermediate sanding; not suitable for heavy paint removal

Setup, Compatibility & Care

To set up the Bona 8100, ensure your edge sander's hook and loop backing pad is clean and free of debris to guarantee a firm grip. Align the 8mm center hole with the sander arbor and press firmly to secure. For compatibility, ensure your sander is designed to accommodate 150mm discs. To extend the life of your discs, store them in a cool, dry place away from direct humidity, which can affect the adhesive backing. If the discs become clogged during heavy work, a light tap or brief blast of compressed air can clear the dust from the open-coat structure.

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