The OSG Straight Flute Bottoming Tap 1123801 is a high-quality tool designed for tapping operations in various industrial applications. With a 5/8"-11 GH3 thread size and 4 flute design, this tap offers precise and efficient cutting performance. The 3-7/8" overall length ensures durability and reach for deep-hole tapping tasks. Manufactured by OSG, a trusted brand in the industry, this bottoming tap is a reliable option for professionals seeking reliable and accurate results in their projects.