The 1/2 CHK Reamer from Field Tool Supply is made from high-speed steel (HS), ensuring durability and precision in hole enlargement tasks. With a size of 1/2 inches, this reamer is perfect for creating accurate holes in various materials. Its straight flute design allows for efficient chip removal, ensuring a clean and accurate finish. This tool complies with industry standards, making it a reliable choice for metalworking applications. The 1/2 CHK Reamer is essential for machinists and fabricators seeking high-quality results in their projects.