Hertel 83246819 Chucking Reamer 0.4355 in Solid Carbide

Product Description

The HERTEL 83246819 is a solid carbide chucking reamer designed for precision hole finishing in metalworking and machining operations. With a reamer diameter of 0.4355 inches and a tight diameter tolerance of 0.0000 to 0.0003 inches, this tool delivers consistent, accurate bore sizing in a single pass. The straight flute geometry and right-hand cutting direction make it well suited for through-hole and blind-hole reaming in a range of workpiece materials. At 4 inches overall length with a 1-3/8 inch flute length and a straight cylindrical shank, it mounts directly in drill chucks, collets, or CNC toolholders without additional adapters.

This reamer is appropriate for production and job-shop environments where tight hole tolerances are required. It is classified as a dowel pin reamer with a designated dowel pin size of 0.4355 D/P, making it a direct fit for applications that must accept standard dowel pins at that nominal diameter. Machinists and CNC operators working on fixture plates, jigs, assembly components, and precision bored housings will find this tool appropriate for their finishing operations. The bright, uncoated finish keeps the carbide substrate exposed, which suits many general-purpose and non-ferrous machining applications.

Key Features

• Solid carbide construction provides rigidity and wear resistance for consistent hole sizing
• Diameter tolerance of 0.0000 to 0.0003 inches supports precision dowel pin and close-fit applications
• 6-flute straight design improves surface finish and distributes cutting load evenly
• Straight cylindrical shank is compatible with standard drill chucks and collets
• Bright, uncoated finish suited for general-purpose and non-ferrous reaming
• Designated dowel pin size 0.4355 D/P for direct use in dowel pin hole applications

Compatibility

Designed as an OEM-style chucking reamer for use in standard drill chucks, collets, and CNC toolholding systems that accept a straight cylindrical shank in the 0.4355 inch diameter class.

Installation Notes

Chucking reamers are installed and used by machinists and CNC operators following standard machine shop practices. Secure the straight shank firmly in a matched collet or drill chuck before use, and ensure the spindle is at the correct reaming speed and feed rate per shop guidelines for the workpiece material. Always power down and lock out the machine before changing or inspecting tooling. Do not use this reamer as a drill to remove significant stock; reamers are finishing tools and require a pre-drilled or bored hole sized appropriately under the final diameter.