Home / Milling / Mill Tooling / Adapter, 40 NMTB to Morse Taper #4 View cart “Boring Head, Staight Shank 1″, Diameter 1-3/4″, Erickson Tenthset (B)” 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 Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart Boring Head, Straight Shank 1″, Takes Y Collets, Universal $49.00 Add to cart Quick Change Tooling, R-8, Narex $99.00 Add to cart Boring Head, Straight Shank 5/8″, No Name $29.00 Add to cart