Hertel 83246934 Chucking Reamer Letter R Solid Carbide

Product Description

The HERTEL 83246934 is a solid carbide chucking reamer in Letter R size, with a decimal diameter of 0.3390 inches and a tolerance of 0.0000 to 0.0003 inches. It features a straight flute design with a straight cylindrical shank, making it suitable for precision hole finishing in machine tool applications. The reamer runs right-hand cut with 6 flutes and a bright, uncoated finish. With an overall length of 3.5 inches and a flute length of 1.25 inches, this tool is intended for use in CNC or manual lathes and mills where tight bore tolerances are required. Machinists and tool-and-die professionals are the primary installers of this type of reamer.

This chucking reamer is used in precision machining environments, including production shops, maintenance facilities, and toolrooms. It is suited for finishing pre-drilled or bored holes to close tolerances in a range of materials where solid carbide tooling is preferred for its hardness and wear resistance. The straight flute geometry works well in through-hole applications and in materials that produce short, brittle chips. No specific compatible machines or models were provided in the product data.

Key Features

• Solid carbide construction for high wear resistance and dimensional stability
• Letter R size with a decimal diameter of 0.3390 inches
• Tight diameter tolerance of 0.0000 to 0.0003 inches for precision bore finishing
• 6-flute straight design suited for through-hole reaming in brittle-chip materials
• Straight cylindrical shank for standard chuck compatibility
• Bright, uncoated finish — no coating buildup affects dimensional accuracy

Compatibility

Designed as an OEM-style chucking reamer for use in standard machine tool chucks and collet holders accepting a straight cylindrical shank in the Letter R diameter range (0.3000 to 0.3499 inches).

Installation Notes

This reamer is installed by machinists in a lathe, mill, or drill press chuck or collet. The machine spindle should be fully stopped and the tool secured before mounting or removing the reamer. Ensure the pre-drilled or bored hole is within the recommended stock allowance for reaming before use. Follow applicable shop safety procedures and machine guarding requirements during operation.