Indexable Boring Bar, S08M STUCL2-312, 6 in L, High Speed Steel, Triangle Insert ShapeMfr # STUCL2 Item Indexable Boring Bar Min. Bore 0. 600" Cutting Direction Left Hand Insert Shape Triangle Shank Material High Speed Steel Style Solid ANSI Code S08M STUCL2 312 Mounting Style Screw Lock Insert Thickness 0. 0937" Lead Angle 3 Degrees Rake Positive Inscribed Circle 1 4" Left Right Hand Left Hand For Use With TCMT 21. 51 ANSI Number S08M STUCL2 312 Type Turning Cutting Edge Type 3 Degrees Coolant Fed Non Coolant Through Insert Holding