Home / Milling / Mill Tooling / Holder, Boring Bar, 30 NMTB, 3/4″ Bars View cart “Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8” 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 Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart 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 Collet Chuck, Brown & Sharpe #9, B &S Uses Z Collets $49.00 Add to cart Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart