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, Straight Shank 5/8″, 1-7/8″ Diameter $59.00 Read more Boring Head, Straight Shank 1″, 5 Y Collets, Universal $49.00 Read more Boring Head, Automatic, 30 NMTB $149.00 Read more Boring Head, 3″, Off Set, 50 NMTB Shank, Valenite $125.00 Read more