Home / Milling / Mill Tooling / Boring Heads / Boring Head, Straight Shank, 3/4″, Criterion 1-1/2″ Boring Head, Straight Shank, 3/4″, Criterion 1-1/2″$99.00 Category: Boring Heads Description Description Criterion 1-1/2″ Square Head, Model S-1 1/2, Uses 1/2″ Boring Bars Related products Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Criterion L624R8 $349.00 Read more Boring Head, 4″ Super Tool 2″ 13 TPI $100.00 Read more Boring Head, Automatic, 30 NMTB $149.00 Read more Boring Head, Unknown Shank, Diameter 3″ $125.00 Read more