Value Collection 08904260 Counterbore Pilot Carbon Steel

Product Description

The VALUE COLLECTION 08904260 is a counterbore pilot used to guide counterboring tools during machining operations. The pilot fits into a drilled hole and centers the counterbore cutter, producing a flat-bottomed recess that seats fastener heads flush or below a workpiece surface. It has a 13/32 inch head diameter and a 3/16 inch shank diameter. Made from carbon steel with a bright, uncoated finish, this pilot is suited for general-purpose shop use. Machinists and tool-and-die technicians use counterbore pilots in manual and CNC drilling setups where consistent fastener seating is required.

This counterbore pilot is intended for use in metalworking and fabrication environments where socket head cap screws or similar fasteners must be recessed into a workpiece. Typical applications include machine assembly, fixture building, and structural fabrication work. The 3/16 inch shank diameter determines the pilot hole size it requires, and the 13/32 inch head diameter corresponds to the counterbore diameter being cut. It is sold individually and is compatible with standard interchangeable counterbore pilot systems.

Key Features

• 13/32 inch head diameter for precise counterbore sizing
• 3/16 inch shank diameter fits standard pilot hole
• Carbon steel construction for general-purpose machining durability
• Bright, uncoated finish — no coating interference with tight-tolerance fits
• Sold as a single unit for replacement or supplemental tooling needs

Compatibility

Designed as a replacement or supplemental pilot for standard interchangeable counterbore tool systems accepting a 3/16 inch shank pilot.

Installation Notes

Counterbore pilots are installed and removed by machinists using appropriate tool holders; ensure the machine spindle is fully powered down and locked out before changing pilots. Confirm the pilot shank diameter matches the counterbore tool's pilot bore before seating. Do not force the pilot into an undersized holder, as this can damage the shank or the tool body.