The 0.4065 Chk Reamer ST FL SS HS is a precision reaming tool designed for creating smooth, accurate holes in various materials. This reamer features a high-speed steel construction, ensuring durability and longevity even under heavy use. With a size of 0.4065 inches, it is ideal for applications requiring precise hole dimensions. The straight flute design allows for efficient chip removal, making it suitable for both metal and plastic work. This tool meets high manufacturing standards, ensuring reliable performance in professional and DIY settings. Enhance your machining capabilities with this essential reaming tool.