4UNC-40tpi; overall height 0.250", across the flats 0.250".
6UNC-32tpi; overall height 0.296", across the flats 0.312".
8UNC-32tpi; overall height 0.312", across the flats 0.312".
10UNC-24tpi; overall height 0.390", across the flats 0.375".
1/4UNC-20tpi; overall height 0.468", across the flats 0.437".
5/16UNC-18tpi; overall height 0.531", across the flats 0.562".
3/8UNC-16tpi; overall height 0.625", across the flats 0.625".
1/2UNC-13tpi; overall height 0.812", across the flats 0.750".
5/8UNC-11tpi; overall height 0.984", across the flats 1.000".
3/4UNC-10tpi; overall height 1.187", across the flats 1.062".