Union Butterfield 1011805 1500L General Purpose Straight Flute Hand Tap, Left Hand Cutting, 9/16-18 Thread, H3 Thread Limit, Plug Chamfer, 4 Flutes, Bright, HSS
Similar in design to the standard 1500 series but finished with left hand threads, which when viewed axially, wind in a counter-clockwise and receding direction
A medium alloyed high speed steel that has good machinability and good performance
HSS exhibits hardness, toughness and wear resistance characteristics that make it attractive in a wide range of applications