Allied Machine & Engineering SS0500-087520 Boring Head Shank, Straight Shank, Threaded Mount, 7/8-20 Threaded Mount.

Allied Machine & Engineering Boring Head Shank, Series: 4130, Straight Shank, 1/2 in Shank Dia, Threaded Mount, 7/8-20 Threaded Mount, 2.69 in Projection, 1.11 in Nose Dia, 2-1/4 in Overall Length