This carbide tipped 9-piece boring bar set includes three other length boring bars every for minimum bores of five/16″, 7/16″, and 9/16″. The bore depth ranges from 3/4″ to three”. The warmth treated, alloy steel shanks are held to 0.000 to -0.0005″ from the no
Set of 9 boring bars – 3 lengths for every min. bore size
Boring bar holder for usual mini lathe tool post
Shank diameter 1/2 in.
Hardened and ground to +0″ – .0005″
Shanks are fabricated from special warmth treated alloy steel