Value Collection SC2190040 Countersink 5/8 in 90 Deg 6 Flute

Product Description

The VALUE COLLECTION SC2190040 is a single-end cobalt steel countersink designed for precision countersinking operations in metal, hardened materials, and other demanding workpieces. With a 5/8 inch head diameter and a 90-degree included angle, it creates clean, accurately angled seat profiles for flat-head fasteners. The 6-flute configuration distributes cutting load evenly, reducing chatter and improving surface finish. The straight cylindrical shank measures 1/2 inch in diameter for secure chuck engagement. Finished bright and uncoated, this tool is suited for machinists, toolroom technicians, and fabricators working in production or maintenance environments.

This countersink is used for deburring and seat preparation on drilled holes in ferrous and non-ferrous metals, stainless, and other materials where cobalt tooling provides the necessary hardness and heat resistance. The right-hand cut and 45-degree centerline angle make it compatible with standard drill press, milling machine, and CNC spindle setups. It does not include a pilot and is sold as a single-unit tool, making it practical for shops that need a reliable general-purpose countersink without additional accessories.

Key Features

• 5/8 inch head diameter with 90-degree included angle for standard flat-head fastener seating
• 6-flute design reduces chatter and improves surface finish quality
• Cobalt steel construction provides heat and wear resistance in tough materials
• 1/2 inch straight cylindrical shank fits standard drill press and milling machine chucks
• Bright uncoated finish suits a wide range of material types
• Single-end, no-pilot configuration for straightforward countersinking applications

Compatibility

Designed as a general-purpose countersink for use in standard drill presses, milling machines, and CNC spindles accepting a 1/2 inch straight cylindrical shank.

Installation Notes

This tool is installed and operated by machinists, toolroom technicians, and fabricators. Secure the shank firmly in the chuck before operation and verify spindle speed is appropriate for the workpiece material and tool diameter. Always power down and lock out the machine before changing tooling. Do not exceed the tool manufacturer recommended RPM range for cobalt countersinks in the relevant material class.