Thread Turning Insert Laydown ANSI Number 16 IR 14 NPT BMA Thread Profile NPT Pitch 14 TPI Thread Type Internal Cutting Direction Right Hand Insert Type Internal Lay Down Chip-Breaker Top Rake Stainless Steel Super Alloys Grade BMA No of Edges 3 Insert Size 16 Coating TiAlN Mounting Style Screw Rake Positive ISO Number 16 IR 14 NPT BMA Insert Shape Triangle Inscribed Circle 3/8 Toolholder 4PMY8