Home / Milling / Mill Tooling / Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 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, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8$349.00 1 in stock Add to cart SKU: L624R8 Category: Mill Tooling Description Description Criterion 4″ Boring Head, 1″ Boring Bars, R-8 Shank, DBL-204 Related products Collet Chuck, 40 NMTB, Collets B & S 21 Brown & Sharpe $195.00 Add to cart Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty $49.00 Add to cart Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Aluminum T-Slot Bolster Plate Table 9″ x 28″ x 1-1/2″ Thick, 7/16″ Slot $125.00 Add to cart