Indexable Boring Tool Set with 3″ Boring Head, R8 Shank & 8 Boring Bars ~ Boring head features a 1-1/2″-18 threaded back so you can change shanks as needed. ~ A micrometer lead screw provides 0.001″ direct reading accuracy and makes adjusting easy. ~ Boring head offset is 1″. ~ Minimum boring diameter is 0.394″. ~ Maximum boring diameter is 7.874″. ~ Maximum boring depth is 3.150″. ~ The crosshole is 3/4″. ~ R8 shank has a drawbar end thread of 7/16″-20. ~ The included indexable boring bars come with TCMT 21.5 C6 carbide inserts for steel and alloy. ~ The set also comes with torx & l-shape hex wrenches and a fitted carrying case. ~ A micrometer lead screw provides 0.001″ direct reading accuracy and makes adjusting easy. ~ 1 DIV = 0.001 which means when turning the dial by 1 division/graduation, on the 0-100 dial, the boring head’s travel is 0.0005″ in radius movement, 0.001″ in diameter movement. Boring head features a 1-1/2″-18 threaded back so you can change shanks as needed. A micrometer lead screw provides 0.001″ direct reading accuracy and makes adjusting easy. Boring head offset is 1″. Minimum boring diameter is 0.394″. Maximum boring diameter is 7.874″.
