Sia Abrasives Sanding Discs - 150mm - P240 Grit - Pack of 50

These Sia Abrasives sanding discs are designed for use with orbital machines, providing an aggress...

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eBaySIA Abrasives Sanding Discs 6"" 150mm P240 Grit Pack of 50 Orbital Hook Loop
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OnBuy.comSia Abrasives Sanding Discs 6" 150Mm P240 Grit Pack Of 50 Orbital Hook Loop 3873190379464
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Product Information

Full details

The Sia Abrasives 150mm P240 sanding discs are designed for professional woodworkers and metal fabricators who require efficient material removal and consistent surface preparation using orbital sanders. These high-quality discs provide an aggressive initial sanding performance, though their medium-fine grit level means they are best suited for intermediate smoothing rather than heavy stock removal or final polishing.

All features

Model Part Number7425.4595.0240
BrandSia Abrasives

Extended Product Information

FAQs

Can I use these on metal surfaces?

Yes, these discs are suitable for light metal surface preparation and smoothing.

Are these compatible with non-Sia branded sanders?

Yes, as long as your sander uses a standard 150mm hook-and-loop backing pad.

What is the primary use for P240 grit?

P240 is primarily used for intermediate sanding and smoothing before the final finishing stages.

How many discs come in a package?

This package includes 50 individual sanding discs.

Do these discs have holes for dust extraction?

Yes, the discs are designed to align with standard dust extraction configurations on orbital sanders.

Is this disc suitable for wet sanding?

These discs are generally intended for dry sanding applications.

Troubleshooting

Disc detaches from the sander during use

Check the hook-and-loop backing pad for worn hooks or sawdust buildup; clean the pad with a stiff brush.

Disc is loading up with dust quickly

Verify that your sander's dust collection system is active and the holes are aligned; consider lowering the sanding speed.

Visible swirl marks left on the surface

Reduce downward pressure on the sander and ensure the disc is not clogged with debris.

Pros and Cons

Pros

  • High-quality abrasive grain for consistent results
  • Excellent resistance to clogging or loading
  • Standardized 150mm size fits most orbital sanders
  • Durable backing prevents premature tearing

Cons

  • Requires a compatible 150mm backing pad
  • P240 grit is too fine for heavy-duty paint stripping
  • Not intended for wet sanding applications

Setup, Compatibility & Care

To use these discs, ensure your orbital sander is fitted with a 150mm hook-and-loop backing pad. Simply align the holes in the disc with the dust extraction holes on your sander base to maintain a clean workspace. For best results, replace the disc immediately once you notice a significant drop in cutting speed or visible material loading on the face. Store these discs in a cool, dry environment to prevent the abrasive bond from becoming brittle or the backing material from absorbing moisture.

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