Boring Bar Style AS-16R-ADCLNL-4 Cutting Direction Left Hand Min Bore 1.28 In Shank Round Material Steel Shank Dia 1 In Overall Length 8 In Max Depth (In.) 4 In Insert Shape 80 Degrees Diamond Negative Lead Angle 14 Degrees Inscribed Circle 0.5 In Insert Size CNMG-432 Insert Thickness 0.1875 In Width Offset 0.64 In Mounting Style Dor-Lock Shim S8012P Shim Screw SM-M4 Clamp JSLC-HPCTW-4N Clamp Screw JSCS-04