Toolholding and Tooling Systems - Boring Heads and in the Toolholding and Tooling Systems - Boring Heads and sub-category in the Machining category from GoVets is the perfect place to find the right tool for your project. Boring Head Holders are used to secure and hold a boring head in place while machining. They are available in a variety of sizes and styles to fit your specific needs. Shop today and find the perfect tool for your project.