No Products in the Cart
Aluminum oxide sharpening stones for Hapstone knife sharpeners, designed for soft and medium steels up to 59 HRC.
Abrasive
The stones are made of aluminum oxide and are used for sharpening knives using Hapstone knife sharpeners.
Steel range
The stones are designed for soft or medium steels up to 59 HRC. Use on hard steels is not recommended because of low performance.
Ready to use
Hapstone Aluminum Oxide Stones are preliminarily lapped and do not require lapping after purchase.
Included stones
Set
The set includes five aluminum oxide stones: 120, 240, 600, 1000, and 2500 grit JIS.
All stones are 6 mm thick and mounted on high-quality aluminum blanks with laser engraving.
Recommended steels
It is advisable to use aluminum oxide stones for sharpening knives made of soft stainless steel: 1095, 1080, 1070, 1050, 420, 440A, 440B, 3Cr13, 8Cr13MoV, 8Cr14MoV, 9Cr14MoV, AUS-4, and AUS-6.
Lubricant
Hapstone Aluminum Oxide Stones are recommended to be used with water as a lubricant. Soak the stone for 1–2 minutes and splash water on the stone surface to prevent drying.
The recommended coolant is oil or water.
Aluminum blanks
Aluminum blanks help reduce the risk of breaking the stone if accidentally dropped, extend the stone life after multiple flattening and lapping, provide easy identification due to laser engraving, and allow reliable clamping for stones of imperfect shape.
Specifications
