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The HARVEY TOOL RSB1265 is a solid carbide chucking reamer designed for precision holemaking in miniature applications. With a reamer diameter of 0.1265 inches and a tight tolerance of +0.0000 to -0.0002 inches, this tool delivers accurate, repeatable bore sizing in a single pass. The 4-flute, straight-flute geometry with right-hand cutting direction supports smooth material removal and clean hole finishes. At 3 inches overall length with a 0.75-inch flute length and a straight-cylindrical shank, the RSB1265 fits standard chucking setups used by machinists and tool and die professionals working with close-tolerance miniature bores.
This reamer is part of the HARVEY TOOL Miniature Reamers series, intended for precision holemaking and threading operations where tight diameter tolerances are required. It is suited to production and job shop environments machining small-diameter holes in metal components. The straight-cylindrical shank mounts directly into drill chucks or collet holders without modification. The bright, uncoated finish makes the tool well suited to a range of base metals where coating compatibility is a concern or where re-grinding is anticipated.
Designed as an OEM-style replacement and standard fit for chucking setups requiring a straight-cylindrical shank reamer in the miniature diameter range of 0.1000 to 0.1499 inches.
Installation is performed by qualified machinists using a drill chuck or collet holder sized to accept a straight-cylindrical shank. Ensure the workpiece and machine spindle are fully stopped before mounting or removing the reamer. Verify runout at the shank before use, as carbide tooling is sensitive to misalignment and lateral loading. Coolant-through capability is not available on this tool; apply cutting fluid externally at the cutting zone when required by the workpiece material.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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