Overall lengthThread lengthThread+ lengtNeck hShank lengthShank dia.Size of squareLength of square
EN-P SpiralPointedTapsforNickel Base AlloysLℓnℓsDsKℓk
SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
NO.10-32UNF2BXPDUNAJYJPW4.5P7014243964.9831
1/4-20UNC2BXPDU04NYJPW4.5P8015304275.5831
1/4-28UNF2BXPDU04KYJPW4.5P8015304275.5831
5/16-18UNC2BXPDU05OYJPW4.5P9019354786.2932
5/16-24UNF2BXPMU05MYJPW4.5P9019-4664.9833
3/8-16UNC2BXPDU06PYJPW4.5P100233954971032
3/8-24UNF2BXPMU06MYJPW4.5P10023-5175.5833
1/2-13UNC2BXPGU08RYJPW4.5P11026-56971033
1/2-20UNF2BXPMU08NYJPW4.5P10021-51971033
5/8-11UNC2BXPGU10UYJPW4.5P11026-561291233
5/8-18UNF2BXPMU10OYJPW4.5P10021-511291233
3/4-10UNC2BXPGU12VYJPW4.5P12533-6414111433
3/4-16UNF2BXPMU12PYJPW4.5P10024-5614111433