Irwin Tools 585-54009 9-piece bolt extractor set pneumatic accessory
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Aircraft-length counterbore with interchangeable pilot in high-speed steel, 9/16 in diameter
The Cleveland C46896 is a new high-speed steel port tool designed for aircraft length counterbore operations with an interchangeable pilot. It measures 2.813 in overall length and features a 0.250 in diameter bright finish. This accessory targets mechanics and technicians performing precision counterboring tasks in aviation maintenance or general metalworking shops.
The tool suits professionals who need a dedicated aircraft length counterbore with a swappable pilot for repeated hole preparation. It is not for users requiring a fixed pilot, a different shank diameter, or a shorter overall length for confined spaces. Buyers needing carbide construction or a complete kit with multiple pilots should look elsewhere.
The 0.250 in diameter defines the cutting interface and pilot compatibility for this specific counterbore. This dimension determines whether the tool fits the intended hole size and pilot series in the workshop. Verify the required diameter against existing tooling before purchase.
Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | CLEVELAND |
Secure the interchangeable pilot in the counterbore body, then chuck the 0.250 in shank. The step often missed is tightening the pilot lock before cutting.
The high-speed steel counterbore and pilot edges dull with use. Replace the interchangeable pilot or the complete tool when holes exceed tolerance.
Heat buildup in the high-speed steel cutting edges is the first limit. It reduces hardness and dulls the 9/16 in counterbore faster than feed pressure alone.
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