Home / Milling / Mill Tooling / Adapter, 40 NMTB to Morse Taper #4 View cart “Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty” has been added to your cart. Adapter, 40 NMTB to Morse Taper #4$40.00 1 in stock Add to cart Category: Mill Tooling Description Description 40NMTB to 4MT Adapter Related products Collet Chuck, 30 Taper w/ Collet 1/4”, 3/8, 1/2, 5/8, 3/4, 1” by 1/8ths $80.00 Add to cart Quick Change Tooling, R-8, Narex $99.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset $85.00 Add to cart