The Field Tool Supply NUT TAP-R UF(20)5/16-18 H3T is a reliable tapping tool designed for creating internal threads in various materials. With a thread size of 5/16-18, this tap is perfect for use in a wide range of applications, from automotive to general manufacturing. Its robust construction ensures durability and longevity, while the precision design allows for smooth operation and accurate threading. This tapping tool is essential for any professional or DIY enthusiast looking to achieve high-quality results in their projects.