Home / Milling / Mill Tooling / Adapter, 40 NMTB to Morse Taper #4 View cart “Boring Head, No Shank, Diameter 1-3/4″, Erickson Tenthset” 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, Brown & Sharpe #9, B &S Uses Z Collets $49.00 Add to cart Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart Boring Head, Straight Shank 5/8″, No Name $29.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI $30.00 Add to cart