SnapSand - Bread Knife Sharpener 7mm
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Print in place quick reload sanding block with specific radii for serrated bread knife sharpening
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Why haven't i had this idea earlier?
I swear i could not find a single good sharpening product made specifically for bread knives. Even the serration sharpening rods are too slim and only grind the center of a tooth at the correct angle.
Finally i can push cut bread …with a serrated knife!
ABOUT:
- Made to fit typical bread knife serrations of 7mm peak to peak distance.
- Each side has a different radius!
- Creates some tolerance to find the right fit for your knife
- It allows you to adapt the radii to the thickness of your sandpaper
- With the correct diameter it nicely fits into the tooth and prevents skidding between them
- Based on the latest ROUGH 93mm version (also fits thicker sandpaper)
Everything else is just like the original SnapSand.
RESULT EXAMPLE:
BEFORE:
AFTER:
HOW TO SHARPEN A BREAD KNIFE:
0. Make sure you attach the sandpaper tightly, for a clean radius.
- Match the angle of the original grind
- Sharpen each tooth individually
- For best results repeat with a progression of sandpaper (For the example here i used 60 180 400 1000)
- Matching the angle
- Place the 7,5 mm radius side into a single tooth and try to match the original tooth grind angle (usually around 30°), then make a few strokes:
- TIP: You can darken the edge with a sharpie to see it better
- Grind marks only in the middle of a tooth = your angle is too high (dull)
- Grind marks only on the sides of a tooth = your angle is too low (sharp)
- Grind marks even across the tooth = perfect!
- If you cant match the tooth by changing angles, try to turn the SnapSand handle to one of the other radii
- As you progress from thicker to thinner sandpaper it may be necessary to change the radius also.
- Place the 7,5 mm radius side into a single tooth and try to match the original tooth grind angle (usually around 30°), then make a few strokes:
- Sharpening each tooth
- Keep your angle steady and constant for each tooth.
- For the first grind, especially with a very worn knife, use a rough sandpaper
- As soon as your tooth has pointy tips and you can feel a burr on, move to the next tooth
- Some sandpapers can handle grinding in both directions, some risk being cut by the knife
- After you finish all teeth with a single grit do a single pass on the other flat side of the knife
- A single light pass is really enough, it should only straighten the burr, do not overdo it!
- Keep the angle flat on the flat side, do not create a new edge
- If you plan to use progressive grits you can skip this step for the roughest grits as it may scratch your knife's surface.
- Repeat the same process for each grit
- Finish with a single pass on the flat side with your highest grit
- Alternatively you can also strop the knife with bent leather or its edge
- In this case:
- Repeatedly strop the teeth similarly to how they are sharpened and finish again on a single pass on the flat side
- Be careful, it easily can round the tooth tips.
- My after examples tips are slightly rounded for this reason, they remain sharp though
- In this case:
HOW TO PRINT:
Please look at original SnapSand for printing instructions!
https://www.printables.com/model/704078-snapsand-quick-reload-sanding-block#how-to-print-