The #40 CHK Reamer from Field Tool Supply is engineered for precision reaming in stainless steel. This high-speed steel (HSS) tool is designed to create clean, accurate holes, making it essential for plumbing and mechanical applications. With a size of 40, it fits standard drill sizes, ensuring compatibility and ease of use. Manufactured in the USA, this reamer offers exceptional durability and performance, making it a reliable choice for both professionals and DIY enthusiasts. Its straight flute design enhances chip removal, allowing for efficient operation in various materials.