Spiral Point Tap: #4-40 UNC, 2 Flutes, Bottoming Chamfer, 3B Class of Fit, High-Speed Steel, Bright/Uncoated MPN:2749939

The Spiral Point Tap: #4-40 UNC is a precision machining tool designed for creating precise and accurate threads on various materials such as metal or plastic. It has an overall length of one and five quarters inches with two flutes, a bottoming chamfer, and a class three B fit to provide an ideal combination of strength, stability, and ease of use. Made from high-speed steel, this tap boasts superior hardness and wear resistance, ensuring its longevity in high volume thread cutting applications. Its uncoated finish offers an increased thermal conductivity which prevents heat build-up while reducing the chance for overheating, promoting accurate and clean threads. Typical customers that can benefit from using this tap include manufacturers, machinists, hobbyists or anyone who needs to create uniform and reliable threads on their materials.