ü, UNC HSS TAP | 3/4, 7/8, 1" or 1-1/8" | LH: T/ S or P |RH: S Point or S Flute RM 145.71 to RM 494.84RM 478.11
ü UNC HS TAP | LH:T/S/P | RH:SP, SF or roll | 12-24, 1/4, 5/16, 3/8, 7/16 or 1/2 RM 28.41 to RM 130.01
ú, UNC HSS TAP | 9/16-12 or 5/8-11 | RH: Taper Second or Plug industrial quality RM 50.80 to RM 62.75