Home / Milling / Mill Tooling / Holder, Boring Bar, 30 NMTB, 3/4″ Bars View cart “Boring Head, R-8, Bridgeport, Diameter 3″, Bad Shank Item # L61043C” 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 Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A) $25.00 Add to cart Collet Chuck, 40 NMTB, Collets B & S 21 Brown & Sharpe $195.00 Add to cart Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart