Home / Milling / Mill Tooling / Holder, Shell Mill, 50 NMTB, 4-7/8″ Cutter, Beaver Tool View cart “Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI” has been added to your cart. Holder, Shell Mill, 50 NMTB, 4-7/8″ Cutter, Beaver Tool$59.00 1 in stock Add to cart Category: Mill Tooling Description Description Beaver Tool 50 Taper Shell Mill Holder and 4-7/8″ Cutter (chipped tooth) 14lbs. 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 Collet Chuck, 40 NMTB, Collets B & S 21 Brown & Sharpe $195.00 Add to cart Boring Head, Straight Shank 3/4″, Diameter 3″ $29.00 Add to cart