Heavy Hex Bolts (Inch)

Size [1] [2] Diameter Flat Width Head Height Thread Length
1/2 0.500 0.875 0.364 1.250
5/8 0.625 1.063 0.444 1.500
3/4 0.750 1.250 0.524 1.750
7/8 0.875 1.438 0.604 2.000
1 1.000 1.625 0.700 2.250
1 1/8 1.125 1.813 0.780 2.500
1 1/4 1.250 2.000 0.876 2.750
1 3/8 1.375 2.188 0.940 3.000
1 1/2 1.500 2.375 1.036 3.250
1 3/4 1.750 2.750 1.196 3.750
2 2.000 3.125 1.388 4.250
2 1/4 2.250 3.500 1.548 4.750
2 1/2 2.500 3.875 1.708 5.250
2 3/4 2.750 4.250 1.869 5.750
3 3.000 4.625 2.060 6.250

  1. Dimensions per ASME B18.2.1-1996 in inches. ↩︎

  2. Oberg, Jones, Horton, Ryffel, McCauley. (2020). Machinery’s Handbook 31 Digital Edition. Industrial Press eBookstore ↩︎