Hertel 83246777 Chucking Reamer 0.3135 in Solid Carbide

Product Description

The HERTEL 83246777 is a solid carbide chucking reamer designed for precision hole finishing in metalworking applications. With a reamer diameter of 0.3135 inches and a tight tolerance of 0.0000 to 0.0003 inches over nominal, this tool delivers consistent, accurate bore sizing in production and job-shop environments. The straight flute geometry and right-hand cut are suited for use in CNC machining centers, lathes, and drill presses. A bright, uncoated finish makes it appropriate for a wide range of ferrous and non-ferrous workpiece materials. Machinists and tool-and-die professionals are the primary users of this reamer.

This chucking reamer is intended for use in machine tool setups where a straight cylindrical shank is required for chuck or collet holding. With an overall length of 3.25 inches and a flute length of 1.125 inches, it fits standard tooling setups for shallow-to-moderate depth reaming passes. It is classified as an over-size reamer at 0.3135 O/S, meaning it is ground slightly above nominal to compensate for spring-back in certain materials. It is not a dowel pin reamer and is not intended for dowel pin applications.

Key Features

• Solid carbide construction provides hardness and wear resistance for precision reaming
• Diameter tolerance of 0.0000 to 0.0003 inches over nominal for tight bore sizing
• 6-flute straight design supports smooth, stable cutting action
• Right-hand cut with straight cylindrical shank for chuck or collet mounting
• Bright, uncoated finish suitable for a broad range of workpiece materials
• Over-size designation (0.3135 O/S) accounts for material spring-back in reamed bores

Compatibility

Designed as an OEM-style solid carbide chucking reamer for use in machine tool setups requiring a straight cylindrical shank and a reamer diameter in the 0.3000 to 0.3499 inch range.

Installation Notes

A licensed machinist or tooling technician should install this reamer in a properly sized chuck or collet to ensure concentricity and prevent runout. Ensure the machine spindle is fully stopped and the tool is securely locked before beginning any reaming operation. Use appropriate cutting fluid for the workpiece material to extend tool life and maintain bore finish quality. Follow shop safety procedures and applicable OSHA machine guarding standards when operating machine tools.