Home / Milling / Mill Tooling / Holder, Boring Bar, 30 NMTB, 3/4″ Bars View cart “Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI” has been added to your cart. Holder, Boring Bar, 30 NMTB, 3/4″ Bars$79.00 1 in stock Add to cart Category: Mill Tooling Description Description 30 Taper Boring Bar Holder 3/4″ Bars Related products Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart Boring Head, Staight Shank 1″, Diameter 1-3/4″, Erickson Tenthset (B) $75.00 Add to cart