Hertel 83246058 Solid Carbide Jobber Drill Bit No 73

Product Description

The HERTEL 83246058 is a solid carbide jobber-length drill bit in wire gauge size No. 73, with a decimal diameter of 0.0240 inches. It features a standard 118-degree split point with web thinning for improved centering and reduced thrust on entry. The bright finish leaves the carbide substrate exposed for general-purpose drilling applications. Overall length is 0.875 inches with a 0.25-inch spiral flute, right-hand cut, and a straight cylindrical shank. Two flutes with a regular spiral and tapered web configuration make this bit suited for precision small-diameter drilling in production or maintenance environments.

This bit is designed for drilling small-diameter holes in ferrous and non-ferrous metals, plastics, and composites where tight dimensional tolerances are required. The diameter tolerance of -0.0005 to 0.0000 inches supports close-fit hole applications such as pilot holes, electronic component mounting, and instrument fabrication. Material grade C2 solid carbide provides the rigidity needed in CNC drilling setups and high-speed spindle applications. Machinists, toolroom technicians, and precision fabricators typically use this size in automated or hand-fed drill press operations.

Key Features

• Solid carbide construction, material grade C2, for rigidity in small-diameter applications
• Wire gauge No. 73 at 0.0240 inches diameter with tight tolerance of -0.0005 to 0.0000 inches
• 118-degree standard point angle with web thinning for improved penetration and centering
• Bright finish with no coolant-through requirement, suitable for general-purpose use
• Right-hand cut, regular spiral, two-flute design for efficient chip evacuation at small diameters
• Straight cylindrical shank at 0.0240 inches diameter for standard collet or chuck mounting

Compatibility

Designed as a general-purpose jobber-length drill bit for use in standard drill chucks, collets, and CNC tool holders accepting a 0.0240-inch straight cylindrical shank.

Installation Notes

This bit should be installed by a qualified machinist or toolroom technician familiar with small-diameter carbide tooling. Secure the shank firmly in a collet or drill chuck rated for the spindle speed being used, as carbide is brittle and sensitive to side loading. Power down and de-energize the machine completely before changing tooling. Avoid using excessive feed pressure on entry, as small carbide bits are prone to breakage under lateral stress or misalignment.