TheIrwin 3/4″-10 NC Bottom Bulk HCS Fractional Tap (1558ZR) is a specialized tool designed to create precise threads by hand. Its bottoming tap design features a very short chamfer, allowing it to cut threads to the bottom of a blind hole.
TheIrwin 3/4″-10 NC Bottom Bulk HCS Fractional Tap (1558ZR) is a specialized tool designed to create precise threads by hand. Its bottoming tap design features a very short chamfer, allowing it to cut threads to the bottom of a blind hole.