Value Collection 08908709 Counterbore Pilot Carbon Steel

Product Description

The VALUE COLLECTION 08908709 is a counterbore pilot used to guide counterboring tools during precision machining and fabrication operations. The pilot features a 1-1/8 inch head diameter and a 7/16 inch shank diameter, sizing it for standard counterbore tool sets used in metalworking and mechanical assembly. Constructed from carbon steel with a bright, uncoated finish, this pilot delivers the rigidity needed to maintain accurate bore alignment during cutting. It is installed and used by machinists, tool and die technicians, and maintenance mechanics working on metal components that require recessed fastener seating.

Counterbore pilots are used in machine shops, fabrication facilities, and maintenance environments wherever socket head cap screws or similar fasteners require a flat-bottomed recess. This pilot is suited for use in ferrous and non-ferrous materials when paired with the appropriate counterbore cutter. The 7/16 inch shank fits standard counterbore holders designed for that shank size, making it a direct-fit replacement or spare for existing tooling setups.

Key Features

• 1-1/8 inch head diameter for accurate counterbore guidance
• 7/16 inch shank diameter for compatibility with standard counterbore holders
• Carbon steel construction provides rigidity and wear resistance during cutting operations
• Bright, uncoated finish allows visual inspection of the tool surface before use
• Compact and lightweight at 0.43 pounds for easy handling and storage

Compatibility

Designed as a standard-fit counterbore pilot for use with counterbore cutters accepting a 7/16 inch shank diameter. Verify head diameter and shank diameter match your existing counterbore tool set before installation.

Installation Notes

Counterbore pilots are installed by machinists or maintenance technicians as part of a counterbore tool assembly. Ensure the machine is fully powered down and the spindle is locked before changing or seating the pilot. The pilot should seat securely in the counterbore body with no lateral play before beginning a cut. Follow applicable shop safety procedures and tooling manufacturer guidelines for speed and feed settings.