Home / Milling / Mill Tooling / Boring Head, R-8, Diameter 3″, Takes 3/4″ Bars View cart “Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A” has been added to your cart. Boring Head, R-8, Diameter 3″, Takes 3/4″ Bars$85.00 1 in stock Add to cart Category: Mill Tooling Description Description 3″ Offset Boring Head w/ R-8 Shank, takes 3/4″ Boring Bars Related products Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset $85.00 Add to cart Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A $149.00 Add to cart Boring Head, Straight Shank 5/8″, No Name $29.00 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