Home / Milling / Mill Tooling / Holder, End Mill, Cat 40, 3/8″ Holder, End Mill, Cat 40, 3/8″$20.00 Category: Mill Tooling Description Description Cat 40 3/8″ End Mill Holder Related products Holder, End Mill, 30 NMTB, 5/8″ Beaver $30.00 Read more Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway $95.00 Read more Arbor, Horizontal Milling, 30 NMTB, 1″ x 1/4″ Key, Beaver Tool (C) $149.00 Read more Arbor, Horizontal Milling, 50 NMTB, 2″ x 1/2″ Key, Beaver $195.00 Read more