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3M Sharpening Film (30 Micron)

3M Sharpening Film (30 Micron)

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3M 30 Micron Sharpening Film refines your bevel after coarse sharpening, preparing chisels and plane blades for the finer stages.

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.
  • 30 micron grade: use this 30 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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