Sunnen W47A63 Honing Stone Set 5C Aluminum Oxide 280 Grit 4.1"-6.3" Hone Stones For Sale

Sunnen W47A63 1 Stone Set – Premium Aluminum Oxide Honing Stones – New Old StockUp for sale is a genuine Sunnen W47A63 honing stone set. This is a complete 1 Stone Set (includes 2 honing stones + 2 guides/supports) in its original blister packaging.
Key Specifications:

• Abrasive: Aluminum Oxide, vitrified bond
• Grit: 280 (ideal for precision finishing and sizing)
• Hardness: #3
• Diameter Range: Approximately 4.1" to 6.3" (104–160mm) standard; expandable up to 60" with appropriate Sunnen master holders and stone supports (sold separately)
• Application: Designed for Sunnen portable hones (AN, ANR, GN, GNR series, etc.) and compatible equipment. Excellent for honing engine cylinders, hydraulic components, and other precision bores in cast iron, steel, and similar materials without keyways.

Condition: New Old Stock (NOS). Never used. Stones and guides are pristine. The packaging shows typical minor shelf wear from storage (light scuffs on plastic, label wear), but contents are factory fresh.
What's Included:

• 2 Sunnen honing stones with integral holders
• 2 guide/support bars (marked SUNNEN)
• Original factory blister pack with label
• Made in U.S.A.

Perfect for automotive machinists, engine builders, industrial maintenance, or anyone running Sunnen honing equipment. These are high-quality, long-lasting stones from the industry leader in precision honing.
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