3M
3M Pre-Cut Sharpening Film
3M Pre-Cut Sharpening Film
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Adhesive-backed abrasive film available in eight micron grades and two sheet sizes.
- 1/3 A4 - 99 X 210mm (3⅞ × 8¼″)
- 2/3 A4 - 198 X 210mm (7¹³⁄₁₆ × 8¼″)
Useful when you don't need a full sheet. Especially when working the small glass plate.
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
Choose a pre-cut strip to suit your glass plate, trim further if needed, 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.
- Choice of micron grades: build a sharpening sequence suited to your tools.
- Pre-cut strip format: choose from two strip sizes and trim further if needed.
A practical abrasive for a glass-plate sharpening system, often known as the “scary sharp” method.
Glass plates 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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