Home / Milling / Mill Tooling / Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars View cart “Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A)” has been added to your cart. Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars$200.00 1 in stock Add to cart Category: Mill Tooling Description Description Yuasa 45 Taper Quick Change Boring Head, Takes 1″ Boring Bars Related products Boring Head, Staight Shank 1″, Diameter 1-3/4″, Erickson Tenthset (B) $75.00 Add to cart Aluminum T-Slot Bolster Plate Table 9″ x 28″ x 1-1/2″ Thick, 7/16″ Slot $125.00 Add to cart Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty $49.00 Add to cart