Home / Milling / Mill Tooling / Boring Head, 45 Taper, Diameter 4″, 1″ Boring Bars View cart “Boring Head, Straight Shank 3/4″, Diameter 3″” 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 Collet Chuck, 30 Taper w/ Collet 1/4”, 3/8, 1/2, 5/8, 3/4, 1” by 1/8ths $80.00 Add to cart Boring Head, Straight Shank 3/4″, Diameter 3″ $29.00 Add to cart Boring Head, Straight Shank 1-1/2″, Diameter 2″, Criterion L62215S $149.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A) $25.00 Add to cart