Value Collection SC10100048 Countersink 100 Deg 1 Flute Hss

Product Description

The VALUE COLLECTION SC10100048 is a single-flute countersink designed for producing clean, accurate countersunk holes with a 100-degree included angle. Machined from high-speed steel with a bright, uncoated finish, this tool mounts on a straight-cylindrical shank measuring 1/2 inch in diameter and delivers a 3/4 inch head diameter at the cutting face. The right-hand cutting direction is standard for conventional CNC and manual drill press operations. At 0.2 pounds, it is compact and suited for bench or machine use. Machinists, toolmakers, and maintenance technicians working in metal fabrication and general manufacturing install this tool in standard drill chucks or collet holders.

This countersink is appropriate for countersinking operations in metalworking environments, including production machining, repair shops, and tool rooms. The 100-degree included angle accommodates fastener seat profiles that require a wider cone than the more common 82-degree or 90-degree styles. The single-flute design reduces chatter and produces a smoother finish in materials such as steel, aluminum, and brass. It is suited for both handheld drill press setups and light CNC applications where a straight-cylindrical shank is acceptable.

Key Features

• 100-degree included angle (50-degree centerline angle) for wide-profile fastener seats
• Single-flute geometry minimizes chatter and improves surface finish
• High-speed steel construction provides durability across common ferrous and non-ferrous materials
• Bright, uncoated finish — no coating buildup to affect dimensional accuracy
• 1/2 inch straight-cylindrical shank fits standard drill chucks and collet holders
• 3/4 inch head diameter for mid-range countersink applications

Compatibility

Designed as a general-purpose countersink for use in standard drill presses, milling machines, and handheld power tools equipped with a 1/2 inch or larger chuck capable of accepting a straight-cylindrical shank.

Installation Notes

Install and remove this tool only after the machine spindle has come to a complete stop and power has been isolated. Secure the shank firmly in the chuck or collet to the full depth of the shank engagement before operation. Use appropriate cutting fluid or lubricant for the workpiece material to extend tool life and improve finish quality. Eye protection and secure workpiece fixturing are required during all countersinking operations.