Keeping your chisels sharp is one of the most important skills in woodworking. A sharp chisel cuts cleanly, safely, and with far less effort than a dull one. Here's how to do it properly.
What You'll Need
- A sharpening stone (coarse, medium, and fine grits — or a combination stone)
- Honing guide (optional but recommended for beginners)
- Leather strop or stropping compound
- A flat surface
- Water or honing oil (depending on your stone type)
Step 1: Flatten the Back
Before sharpening the bevel, you need to ensure the back of the chisel is perfectly flat. Place the chisel flat on your finest stone and work it in circular motions until the entire back near the cutting edge is polished and flat. This only needs doing thoroughly once on a new chisel.
Step 2: Set Your Bevel Angle
Most bench chisels are sharpened to a 25° primary bevel. If you're using a honing guide, set it to hold the chisel at 25–30°. Freehand sharpening takes practice — a honing guide gives consistent results while you're learning.
Step 3: Work Through the Grits
Start on your coarsest stone if the edge is damaged or very dull. Work up through medium and then fine grits, using consistent forward strokes with light, even pressure. Keep the bevel flat on the stone throughout. You'll know you're making progress when a small burr forms on the flat back of the chisel.
Step 4: Remove the Burr
Once you've worked up to your finest stone, flip the chisel flat on its back and make a few light passes to remove the burr. Alternate between bevel and back a couple of times on the fine stone until the burr is gone.
Step 5: Strop for a Razor Edge
Finish by stropping the chisel on a leather strop loaded with honing compound. A few passes on each side will align the edge at a microscopic level and give you a truly razor-sharp result. Test on end grain — it should slice cleanly with no tearing.
How Often Should You Sharpen?
Strop regularly during use to maintain the edge. Hone on a fine stone every few sessions. Only go back to coarser grits when the edge is visibly damaged or won't respond to stropping.
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