Stud bolts

Stud bolts ASTM A 193-Inch Series, UNC/UN-Dimensions

  • The nuts will generally conform to ASTM A193 Gr:B7
  • Threads will conform to Class 2A of unified Coarse threads asper ANSI B1.1
  • Materia: Medium Carbon Chromium Molybdenum Steel. CR-Mo Alloy Steel (Gr-Mo).
  • Heat treatment : As per Grade 'B7'.
  • All dimensions are in inches
Stud bolts ASTM A 193''
Nominal Thread Size
D 		TPI Length Range
L 		Nominal Thread Size
D 		TPI Length Range
V
UNC UN UNC UN
1/2 13 - up to 230 23/8 - 8 up to 50*
5/8 11 - up to 230 21/2 8 up to 60*
3/4 10 - up to 230 25/8 - 8 up to 60*
7/8 9 - up to 230 23/4 - 8 up to 60*
1 8 - up to 120 27/8 - 8 up to 60*
11/8 - 8 up to 120 3 - 8 up to 48*
11/4 - 8 up to 120 31/8 - 8 up to 48*
13/8 - 8 up to 120 31/4 - 8 up to 48*
11/2 - 8 up to 120 33/8 - 8 up to 48*
15/8 - 8 up to 120 31/2 - 8 up to 48*
13/4 - 8 up to 120 35/8 - 8 up to 48*
17/8 - 8 up to 120 33/4 - 8 up to 48*
2 - 8 up to 120 37/8 - 8 up to 48*
21/8 - 8 up to 60 4 - 8 up to 48*
21/4 - 8 up to 60 - - - up to 48*

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