Value Collection SC2190048 Countersink 3/4 in 6 Flute

Product Description

The VALUE COLLECTION SC2190048 is a single-end cobalt steel countersink designed to create clean, chamfered seat profiles in metal workpieces. With a 3/4-inch head diameter and a 90-degree included angle (45-degree centerline angle), it produces the standard conical recess used for flat-head fastener seating across a wide range of ferrous and non-ferrous materials. The 6-flute geometry distributes cutting load evenly, reducing chatter and improving surface finish. The bright, uncoated finish makes edge condition easy to inspect. This tool is used by machinists, maintenance technicians, and fabricators working in production and field environments.

The SC2190048 is suited for countersinking operations in general metalworking, fabrication shops, and maintenance applications. The 1/2-inch straight cylindrical shank fits standard drill press chucks and milling machine collets without adapters. The 90-degree included angle matches the seating geometry of most common flat-head machine screws and bolts used in structural and mechanical assemblies. It is a solid-construction, pilot-free, single-end tool intended for manual feed or low-speed machine operation.

Key Features

• 3/4-inch head diameter produces countersinks sized for common flat-head fasteners
• 90-degree included angle meets standard flat-head screw seating requirements
• 6-flute design reduces chatter and improves finish quality
• Cobalt steel construction provides heat and wear resistance for cutting harder materials
• 1/2-inch straight cylindrical shank fits standard chucks and collets
• Bright, uncoated finish for easy visual inspection of cutting edges

Compatibility

Designed as a general-purpose countersink for metalworking applications requiring a 90-degree included angle and a 3/4-inch head diameter; fits drill presses, milling machines, and hand drills equipped with a 1/2-inch or larger chuck.

Installation Notes

Installation and use should be performed by qualified machinists or maintenance technicians familiar with rotary cutting tools. Secure the workpiece firmly before operation and set spindle speed appropriate for the material being cut — cobalt steel tools tolerate higher heat but still require proper feed rates to avoid edge damage. Do not use this tool without adequate chip clearance, and inspect cutting edges before each use. Follow applicable shop safety standards and wear appropriate eye protection.