Keo 907-000-044 Combo Drill Countersink 1/8 in Hss

Product Description

The KEO 907-000-044 is a combination drill and countersink tool machined from high-speed steel with a bright, uncoated finish. It performs two operations in a single pass: drilling a pilot hole and cutting the countersink profile needed for flat-head fastener seating. The 1/8-inch body diameter, 3/64-inch drill point, and 82-degree included angle make this a trade size number 1 tool suited to precision metalworking tasks. At 3 inches overall length, it is classified as a long-length tool. It is installed and used by machinists, tool-and-die technicians, and fabricators working on light metal, sheet stock, and similar materials.

This combo drill countersink is designed for countersinking applications in general machining and fabrication environments. The right-hand cutting direction and plain cutting edge style make it compatible with standard drill press and CNC spindle setups. The double end type allows the tool to be flipped and reused when one end dulls, extending service life. It is appropriate for benchtop drill presses, milling machines, and hand-held electric drills when a rigid setup is maintained to prevent chatter and tool deflection.

Key Features

• Combination drill and countersink in one tool reduces setup steps
• 82-degree included angle for standard flat-head fastener countersinking
• High-speed steel construction for durability in metal cutting applications
• Bright uncoated finish suitable for general-purpose use
• Double end design extends tool life by providing two usable cutting ends
• Long-length designation at 3 inches overall length for improved reach

Compatibility

Designed as an OEM-style replacement or standard tooling option for drill press, milling machine, and CNC spindle setups that accept 1/8-inch shank combination drill countersink tools with a trade size number 1 profile.

Installation Notes

Installation and use should be performed by qualified machinists or fabricators familiar with rotating cutting tool safety. Secure the workpiece firmly before engaging the tool to prevent movement during the cut. Ensure the spindle speed is appropriate for the material being drilled and the tool diameter before operation. Inspect the cutting edges before each use and discontinue use if chipping or excessive wear is observed.