Bottoming Fractional Tap | Hanson By Irwin 1539

Precision ground straight flutes provide rapid chip removal for efficient threading. Designed for hand threading work. Taps produce a class 2B thread. 1 to 1-1/2 threads chamfered. Used when threads must go to bottom of hole. Ideal for all general-purpose threading. Ideal for tough threading work, routine maintenance, repair and for re-threading where high accuracy and tolerance thread is not critical.