Home / Milling / Mill Tooling / Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars$200.00 Category: Mill Tooling Description Description Yuasa 45 Taper Quick Change Boring Head, Takes 1″ Boring Bars Related products Boring Head, R-8, Diameter 4″, 3/4″ Bars, Flynn ***SOLD*** $225.00 Read more Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 3/8″ Key (A) $125.00 Read more Boring Head, R-8, Diameter 2-1/2″, 1/2″ Bars Everede $149.00 Read more Boring Head, Morse Taper #3, Diameter 3-1/2″, Enco, Item # L63035 $249.00 Read more