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 Arbor, Horizontal Milling, 30 NMTB, 1″ x 1/4″ Key, Beaver Tool (D) $149.00 Read more Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Read more Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway $95.00 Read more Holder, End Mill, Brown & Sharpe #7, 3/8″ $20.00 Read more