3M
3M Sharpening Film (100 Micron)
3M Sharpening Film (100 Micron)
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3M 100 Micron Sharpening Film is the coarsest grade in the range, ideal for initial sharpening and tackling heavier wear on chisels and plane blades.
3M Sharpening Film
Achieve a sharp, clean cutting edge on your chisels and plane blades with 3M Sharpening Film. This adhesive-backed abrasive film mounts onto a glass plate to create a flat sharpening surface for your woodworking tools.
Whether you’re refining a bevel or putting the finishing touches on an edge, choose the micron grade that suits your sharpening process. Work progressively through finer grades to remove scratches left by the previous abrasive and refine the cutting edge.
Simple to fit and replace
Cut the film to fit your glass plate, peel away the backing and apply it to a clean surface. When the abrasive wears out, replace the film and keep using the same plate.
- Adhesive-backed: attaches directly to your sharpening plate.
- 100 micron grade: use this 100 micron film as part of a sharpening sequence suited to your tools.
- Flexible sheet format: cut to your preferred working size and keep spare strips for later.
A practical abrasive for a glass-plate sharpening system, often known as the “scary sharp” method.
Glass plates are sold separately.
Manufactured by 3M and supplied individually as part of the Dead Sharp sharpening range.
Grit to Micron Conversion
| Micron | ≈ Grit |
|---|---|
| 100 | ≈ 150 |
| 80 | ≈ 200 |
| 50 | ≈ 350 |
| 40 | ≈ 400 |
| 30 | ≈ 600 |
| 15 | ≈ 1,200 |
| 12 | ≈ 1,500 |
| 9 | ≈ 2,000 |
| 3 | ≈ 8,000 |
| 1 | ≈ 16,000 |
Grit equivalents are approximate (≈).
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