Hertel 72033335 Chucking Reamer 0.3330 in Hss Straight Flute

Product Description

The HERTEL 72033335 is a straight-flute chucking reamer designed for precision hole finishing in metalworking applications. Built from high-speed steel (HSS) with a bright, uncoated finish, this reamer delivers consistent sizing and smooth surface finishes in through-holes and blind holes. The straight-cylindrical shank is compatible with standard drill chucks and collet holders. At 6 inches overall length with a 1-1/2 inch flute length, it handles typical machine-shop and production reaming tasks. The 6-flute geometry provides even chip load distribution and improved bore finish. This tool is suited for machinists and toolroom professionals working in job shop, maintenance, or production environments.

This chucking reamer is used in drilling and boring operations where a reamed hole is required to meet tight dimensional tolerances. It is appropriate for use on lathes, drill presses, CNC machining centers, and manual milling machines. The right-hand cutting direction is standard for conventional clockwise-spindle rotation. The 0.3330 inch diameter targets finish sizing of holes in that range, making it a practical choice for pin fits, bearing seats, and dowel hole preparation where a standard drill alone cannot achieve the required tolerance.

Key Features

• 0.3330 inch reamer diameter for precise hole finishing in the 0.3000 to 0.3499 inch range
• 6-flute straight configuration for balanced cutting action and improved surface finish
• HSS construction provides toughness across a wide range of workpiece materials
• Bright, uncoated finish — suitable for use with cutting fluid or dry depending on material
• Straight-cylindrical shank accepts standard chucks and collet toolholding systems
• Right-hand cutting direction for use with conventional clockwise spindle rotation

Compatibility

Designed as an OEM-style chucking reamer for use in standard drill chucks and collet holders on lathes, drill presses, and machining centers that accept a straight-cylindrical shank tool.

Installation Notes

Chucking reamers are installed and serviced by machinists and toolroom personnel. Always secure the shank fully in the chuck or collet and confirm runout before use, as excessive runout will degrade hole size accuracy and tool life. Power down and lock out the machine spindle before changing tooling. Use appropriate cutting fluid for the workpiece material to maximize tool life and surface finish quality.