Keo 919-001-062 Countersink 3/8 in 100 Deg 6 Flutes Carbide

Product Description

The KEO 919-001-062 is a solid carbide countersink designed for chamfering, countersinking, and deburring operations in metal and other hard materials. It features a 3/8 inch head diameter, a 100-degree included angle, and 6 flutes for smooth, efficient cutting action. The single-end design offers a 1/4 inch shank diameter and an overall length of 2.625 inches, making it well-suited for use in drill presses, CNC machining centers, and manual milling setups. Machinists and tool-and-die technicians rely on solid carbide construction for its hardness, wear resistance, and ability to hold a sharp cutting edge through high-volume work.

This countersink is used in general metalworking, fabrication shops, and precision machining environments where clean, accurate chamfers are required. The 100-degree included angle is a common specification for aerospace and industrial fastener seat preparation. Its compact overall length and standard 1/4 inch shank make it compatible with a wide range of collet and chuck systems used in both manual and CNC applications. It is appropriate for use on ferrous and non-ferrous metals as well as composite materials, depending on operating parameters.

Key Features

• Solid carbide construction for extended tool life and wear resistance
• 100-degree included angle for standard fastener chamfering and seat preparation
• 6 flutes provide smooth cutting action and improved chip evacuation
• 3/8 inch head diameter with 1/4 inch shank for broad collet and chuck compatibility
• Single-end design with 2.625 inch overall length for rigid, stable setups
• Suitable for chamfering, countersinking, and deburring operations

Compatibility

Designed as a standard single-end countersink compatible with drill presses, CNC machining centers, and manual mills equipped with collets or chucks accepting a 1/4 inch shank diameter.

Installation Notes

Installation and use should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing the tool from the collet or chuck. Use the appropriate collet size for the 1/4 inch shank and verify runout before beginning a cut. Follow the machine manufacturer's recommended speeds and feeds for solid carbide tooling and the specific workpiece material.