Home / Milling / Mill Tooling / Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars 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 Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A) $25.00 Add to cart Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A $149.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart Collet Chuck, 30 NMTB, Collets TG-100 Erickson $199.00 Add to cart