Home / Milling / Mill Tooling / Boring Head, 30 NMTB, Diameter 3-1/2″, Enco View cart “Boring Head, Morse Taper #4, Precision Universal Automatic Item #L6305” has been added to your cart. Boring Head, 30 NMTB, Diameter 3-1/2″, Enco$249.00 1 in stock Add to cart Category: Mill Tooling Description Description Enco 3-1/2″ Boring Head w/ 30 NMTB Shank, Takes 3/4″ Boring Bars Related products Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart Quick Change Tooling, R-8, Narex $99.00 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 Boring Head, Straight Shank 1-1/2″, Diameter 2″, Criterion L62215S $149.00 Add to cart