Bilz 21184019 Tap Chucks

0.255" Tap Shank Diam, 0.191" Tap Square Size, 1/4" Tap, #1 Tapping Adapter 0.2756" Projection, 0.669" Tap Depth, 1.1221" OAL, 3/4" Shank OD, Through Coolant, Series WE 1 KP