Home / Milling / Mill Tooling / Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty View cart “Collet Chuck, 30 Taper w/ Collet 1/4”, 3/8, 1/2, 5/8, 3/4, 1” by 1/8ths” 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 Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A $149.00 Add to cart 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 Set,R-8, Enco Item # L5708 $295.00 Add to cart Collet Chuck, 40 NMTB, Collets B & S 21 Brown & Sharpe $195.00 Add to cart