Home / Milling / Mill Tooling / Boring Heads / Boring Head, Brown & Sharpe 9, Diameter 4″, Flynn, Item # L63094 Boring Head, Brown & Sharpe 9, Diameter 4″, Flynn, Item # L63094$295.00 SKU: L63094 Category: Boring Heads Description Description Flynn 4″ Boring Head #9 B&S Brown & Sharpe Shank, 3/4″ Bars, With Extension Block Related products Boring Head, R-8, Bridgeport, Diameter 3″, Item #L61043B $149.00 Read more Boring Head, 1″ Straight Shank, 3″, Criterion $149.00 Read more Boring Head, Straight Shank, 3/4″, Criterion 2″, S-2, Item # L622.75A $125.00 Read more Boring Head, Straight Shank, 1/2″, Diameter 1-1/2″ $24.00 Read more