Home / Milling / Mill Tooling / Boring Heads / Boring Head, 1″ Straight Shank, 3″, Criterion Boring Head, 1″ Straight Shank, 3″, Criterion$149.00 Category: Boring Heads Description Description Criterion 3″ Square Head Boring Head w/ 1″ Straight Shank takes 1″ Boring Bars Related products Boring Head, Straight Shank 1″, 5 Y Collets, Universal $49.00 Read more Boring Head, #742, Moore $225.00 Read more Boring Head, Morse Taper #3, Diameter 3-1/2″, Enco, Item # L63035 $249.00 Read more Boring Head, Straight Shank, 3/4″, Criterion 2″, S-2, Item # L622.75A $125.00 Read more