Boring Bar Style AS-16R-ADDUNL-3 Cutting Direction Left Hand Min Bore 1.3 In Shank Round Material Steel Shank Dia 1 In Overall Length 8 In Max Depth (In.) 4 In Insert Shape 55 Degrees Diamond Negative Lead Angle 11 Degrees Inscribed Circle 0.375 In Insert Size DNMG-322 Insert Thickness 0.125 In Width Offset 0.75 In Mounting Style Dor-Lock Shim S5511P Shim Screw SM-M3 Clamp JSLC-HPDT3-BL Clamp Screw JSCS-03