Q: What grit should I start with for a dull edge?
Start at 220x to remove nicks and establish a fresh bevel, then move to 1000x to set the basic edge before refining further.
08M1521 - 220x/1000x Combo. Water Stone
Grit:
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Norton water stones have an aluminum oxide abrasive held by a relatively weak bond that releases fresh particles at a fast rate. In our tests, they were comparable to King stones when sharpening O1 steel, but in tough alloys such as A2 and M2 they cut approximately 40% faster than King. Because of the steady release of fresh abrasive, they produce a consistent scratch pattern at each grit, making it important to work through the grits progressively to obtain a final polish.
Regular lapping is also recommended with these stones. The 220x is used to remove nicks, the 1000x to establish a basic edge, the 4000x to refine the edge, and the 8000x to produce the final polish. Except for the 8000x, which requires only a quick spritz, all need to be immersed for about 10 minutes before use. They are ready for use without having to produce a slurry.
At 7 7/8" × 2 7/8" × 1", they easily accommodate wide blades. Each comes in a rubber-footed plastic storage case that doubles as a sharpening stand.
Start at 220x to remove nicks and establish a fresh bevel, then move to 1000x to set the basic edge before refining further.
Yes, most grits need about 10 minutes of water immersion before sharpening; the 8000x stone is the exception and only needs a quick spritz of water.
On O1 steel these Norton water stones perform comparably to King stones, but on tougher alloys such as A2 and M2 they cut roughly 40% faster.
A combo stone pairs two grits on one block and saves buying two separate stones. Choose the 220x/1000x combo to go from nick removal to a basic edge, the 1000x/4000x combo to go from a basic edge to a refined one, or the 4000x/8000x combo if you only need to polish an edge that's already set.
At 7 7/8" × 2 7/8", it comfortably handles plane irons and chisels up to about 2 3/4" wide.
| Materials | Aluminum oxide abrasive |
| Dimensions | 7 7/8" × 2 7/8" × 1" |
| Includes | Water stone; storage case |
| Package Quantity | 1 item |
| Warranty | Lee Valley Satisfaction Guarantee |
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Norton Water Stones
Norton water stones have an aluminum oxide abrasive held by a relatively weak bond that releases fresh particles at a fast rate. In our tests, they were comparable to King stones when sharpening O1 steel, but in tough alloys such as A2 and M2 they cut approximately 40% faster than King. Because of the steady release of fresh abrasive, they produce a consistent scratch pattern at each grit, making it important to work through the grits progressively to obtain a final polish.
Regular lapping is also recommended with these stones. The 220x is used to remove nicks, the 1000x to establish a basic edge, the 4000x to refine the edge, and the 8000x to produce the final polish. Except for the 8000x, which requires only a quick spritz, all need to be immersed for about 10 minutes before use. They are ready for use without having to produce a slurry.
At 7 7/8" × 2 7/8" × 1", they easily accommodate wide blades. Each comes in a rubber-footed plastic storage case that doubles as a sharpening stand.
Choose an option to view item availability.
Choose an option to view item availability.
Choose an option to view item availability.
Choose an option to view item availability.
