Home / Milling / Mill Tooling / Boring Heads / Boring Head, Straight Shank 1″, Diameter 1-3/4″, Tenthset Boring Head, Straight Shank 1″, Diameter 1-3/4″, Tenthset$75.00 Category: Boring Heads Description Description Resolution .0001″, Uses 3/8″ Boring Bars Related products Boring Head Set, 2″, R-8 (NEW) Import, Item #GE65NBH-202S $119.95 Read more Boring Head, 4″, 50 NMTB Shank, Flynn $149.00 Read more Boring Head Set, 3″, R-8 (NEW) Import, Item # GE65NBH-203S $158.95 Read more Boring Head, Straight Shank 1″, 5 Y Collets, Universal $49.00 Read more