Home / Milling / Mill Tooling / Boring Head, Morse Taper #4, Diameter 4-1/2″, 1″ Bars View cart You cannot add that amount to the cart — we have 1 in stock and you already have 1 in 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, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart Boring Head, R-8, Diameter 2-1/2″, 1/2″ Bars Everede $149.00 Add to cart Boring Head, R-8, Bridgeport, Diameter 3″, Bad Shank Item # L61043C $95.00 Add to cart