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, Morse Taper #4, Precision Universal Automatic Item #L6305 $295.00 Add to cart Collet Chuck, 30 NMTB, Collets TG-100 Erickson $199.00 Add to cart Boring Head, R-8, Bridgeport, Diameter 3″, Bad Shank Item # L61043C $95.00 Add to cart Quick Change Set, Morse Taper #5 MT, Neal Skokie $295.00 Add to cart