Home / Milling / Mill Tooling / Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway View cart “Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty” has been added to your cart. Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway$95.00 1 in stock Add to cart Category: Mill Tooling Description Description 50 NMTB 1-1/2″ x 4-1/2″Long Arbor, 5/16″ Key, 23/32″ Stem, OAL 11-1/4, Made In Poland, 11 Pounds Related products Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A $149.00 Add to cart Boring Head, No Shank, Diameter 1-3/4″, Erickson Tenthset $25.00 Add to cart Boring Head, Straight Shank 1″, Takes Y Collets, Universal $49.00 Add to cart Boring Head, Straight Shank 1-1/2″, Diameter 2″, Criterion L62215S $149.00 Add to cart