The Robert Charles Plain Shank Counterbore – Standard Metric is a precision counterboring tool designed for reliable performance in metalworking. Built for professionals and serious hobbyists who work with metric hole standards, it pairs a plain shank with robust cutting capability to deliver stable, repeatable results.

• Size: Metric M10 counterbore designed for standard metric hole applications.
• Shank type: Plain shank for straightforward, secure seating in standard tool holders.
• Cutting performance: Delivers stable cutting action and clean, consistent bottom surfaces for reliable finishes.
• Applications: Ideal for precision machining in general engineering, automotive, and workshop environments that require metric hole standards.

This counterbore simplifies setup with its plain shank, supports repeatable depth and alignment across parts, and helps minimize rework. Its straightforward design focuses on dependable performance in metric counterboring tasks, making it a practical choice for workshops and production environments that demand consistent results.