Hertel 334-203100 Carbide Countersink 1/4 in 4 Flute

Product Description

The HERTEL 334-203100 is a solid carbide countersink designed for precision chamfering and countersinking operations in metal fabrication, machining, and assembly work. With a 1/4 inch head diameter and a 120-degree included angle, this tool produces clean, accurately angled seats for flathead fasteners in a wide range of workpiece materials. The straight-cylindrical shank measures 1/4 inch in diameter for straightforward chuck mounting. Four flutes provide balanced cutting action and efficient chip evacuation, making this countersink well suited to production environments where consistent finish quality matters.

This countersink is used in machine shop and maintenance settings where flathead screws, rivets, or other flush-mount fasteners require a properly angled seat. The 120-degree included angle accommodates a specific range of fastener head geometries. It is typically run in a drill press, CNC machining center, or handheld power drill by machinists, tool-and-die technicians, pipefitters, and general maintenance professionals working with metal components.

Key Features

• Solid carbide construction for hardness and wear resistance in demanding materials
• 120-degree included angle for proper seating of compatible flathead fasteners
• 4-flute design promotes smooth cutting and efficient chip removal
• 1/4 inch head diameter suited to smaller fastener applications
• Straight-cylindrical 1/4 inch shank fits standard drill chucks and collets

Compatibility

Designed as an OEM-style replacement or direct-use countersink for machine tools accepting a 1/4 inch straight-cylindrical shank, compatible with drill presses, CNC machining centers, and handheld power drills equipped with appropriate collet or chuck systems.

Installation Notes

Installation and use of this countersink should be performed by qualified machinists or trade professionals familiar with rotating cutting tools. Secure the shank firmly in the chuck or collet before operation and verify that the spindle is at a complete stop before adjusting or removing the tool. Use appropriate cutting speeds for the workpiece material and carbide tooling to prevent chipping or premature wear. Always wear proper eye protection and follow applicable shop safety procedures when operating rotary cutting tools.