Home / Milling / Mill Tooling / Boring Head, Morse Taper #4, Diameter 4-1/2″, 1″ Bars View cart “Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty” has been added to your cart. Boring Head, Morse Taper #4, Diameter 4-1/2″, 1″ Bars$49.00 1 in stock Add to cart Category: Mill Tooling Description Description 4-1/2″ Boring Head Boring Head, Morse Taper #4 Shank w/ Tang, Takes 1″ Boring Bars Related products Boring Head, Straight Shank 1″, Takes Y Collets, Universal $49.00 Add to cart Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty $49.00 Add to cart Boring Head, Straight Shank 1-1/2″, Diameter 2″, Criterion L62215S $149.00 Add to cart Boring Head, No Shank, Diameter 1-3/4″, Erickson Tenthset $25.00 Add to cart