Heavy Hex Bolts

Size 1 2DiameterFlat WidthHead HeightThread Length
1/20.5000.8750.3231.000
5/80.6251.0630.4031.250
3/40.7501.2500.4831.380
7/80.8751.4380.5631.500
11.0001.6250.6271.750
1 1/81.1251.8130.7182.000
1 1/41.2502.0000.8132.000
1 3/81.3752.1880.8782.250
1 1/21.5002.3750.9742.250

Material specifications:

  • A325
  • A490

Heavy Hex Nuts

Size 1 2DiameterFlat WidthThickness
1/20.5000.8750.504
5/80.6251.0630.631
3/40.7501.2500.758
7/80.8751.4380.885
11.0001.6251.012
1 1/81.1251.8131.136
1 1/41.2502.0001.215
1 3/81.3752.1881.378
1 1/21.5002.3751.505

Material specifications: A563

Flat Washers

Size 1 2IDODThickness
1/20.5311.0630.097
5/80.6881.3130.122
3/40.8131.4690.122
7/80.9381.7500.136
11.1252.0000.136
1 1/81.2502.2500.136
1 1/41.3752.5000.136
1 3/81.5002.7500.136
1 1/21.6253.0000.136

Material specification: F436

Footnotes

  1. Dimensions per ASME B18.2.6-1996 in inches. 2 3

  2. Oberg, Jones, Horton, Ryffel, McCauley. (2020). Machinery’s Handbook 31 Digital Edition. https://ebooks.industrialpress.com/pdfreader/machinerys-handbook-digital-edition-31st 2 3

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