Home / Milling / Mill Tooling / Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty View cart “Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset” has been added to your cart. Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty$49.00 1 in stock Add to cart Category: Mill Tooling Description Description Lincoln Machine Specialty, 2-1/4″ Boring Head, 1/2″ Boring Boring Bars Related products Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart Collet Chuck, 40 NMTB, Collets B & S 21 Brown & Sharpe $195.00 Add to cart Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset $85.00 Add to cart Boring Head, Straight Shank 1″, Takes Y Collets, Universal $49.00 Add to cart