Keo 906-000-213 Combo Drill Countersink Size 12 Cobalt

Product Description

The KEO 906-000-213 is a combination drill and countersink designed for simultaneous drilling and countersinking in a single operation. Built from cobalt tool steel with a bright, uncoated finish, this double-end tool handles both center drilling and countersink preparation without a tool change. The body diameter measures 3/16 inches, the drill point diameter is 1/16 inches, and the overall length is 1-7/8 inches. The 118-degree drill point angle and 60-degree included angle are standard geometry for general metalworking applications. Right-hand cutting direction is standard for conventional machining setups. Machinists and tool-and-die professionals install this type of tool in CNC lathes, drill presses, and milling machines.

This combo drill countersink is suited for ferrous and non-ferrous metal applications where a center hole and countersink must be produced in one pass. The cobalt construction provides increased heat resistance compared to standard high-speed steel, making it appropriate for harder workpiece materials and higher-feed applications. The bell-style cutting edge and non-tapered, non-aircraft-style body make this a general-purpose shop tool for production and maintenance machining environments.

Key Features

• Cobalt tool steel construction for improved heat and wear resistance over standard HSS
• Double-end design extends tool life by providing two usable ends
• Bell cutting edge style with 60-degree included angle for standard countersink geometry
• 118-degree drill point angle suits general-purpose metalworking
• Bright, uncoated finish for use across a range of workpiece materials
• Right-hand cutting direction compatible with standard spindle rotation

Compatibility

Designed as a general-purpose combination drill countersink for use in conventional drill presses, CNC lathes, and milling machine setups where size 12, 3/16-inch body tooling is specified.

Installation Notes

Installation is performed by qualified machinists or toolroom personnel. Secure the tool in an appropriate collet or drill chuck rated for the shank diameter before use. Ensure the machine spindle is fully stopped before changing or adjusting tooling. Follow shop safety protocols and applicable OSHA machine-guarding standards when operating rotating cutting tools.