Home / Milling / Mill Tooling / Adapter, 50 to 40 NMTB Adapter, 50 to 40 NMTB$149.00 Category: Mill Tooling Description Description 5 Pounds Related products Arbor, Stub, Straight Shank 1″, 1-5/8″ $49.00 Read more Holder, End Mill, 40 NMTB 5/8″ EM $40.00 Read more Holder, End Mill, 30 NMTB Beaver 3/8″ $30.00 Read more Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 3/8″ Key (A) $125.00 Read more