Irwin 1126ZR Straight Flute Tap Right Hand Cutting #8-40 Thread 4 Flutes (5 Pk)
Item model number: 1126ZR. Flutes: 4 straight. Thread Size : 8-40 NS. Thread Class: 2B. Cutting new internal threads in drilled holes for 8-40 NS screws and set screws within various components. Key Features.