Home / Milling / Mill Tooling / Collet Chuck, 40 NMTB Shank, ER-40 Collet Chuck, 40 NMTB Shank, ER-40$59.00 Category: Mill Tooling Description Description NMTB40-ER40-80L 40 Taper Collet Chuck Uses ER40 collets, Not Included 4 Pounds Related products Adapter, 50 NMTB, 50 NMTB to Brown & Sharpe #9 BS $49.00 Read more Arbor, Horizontal Milling, 50 NMTB, 2″ x 1/2″ Key, Beaver $195.00 Read more Holder, End Mill, 30 NMTB Beaver 3/8″ $30.00 Read more Boring Cartridge, Adjustable, Rigibore Micro TR 5B 2 (NOS) (2 Available) $24.95 Read more