asme-b18-2-2-slotted-hex-nuts (1)

Dimensions of Imperial Heavy Hex Slotted Nuts to ASME B18.2.2 Standard

Nominal Size
Inch
Basic Major
Thread
Diameter
Width Across Flats, FWidth Across Corners, GThickness, HUnslotted Thickness, TWidth of Slot, S
BasicMin.Max.Min.Max.BasicMin.Max.Min.Max.Min.Max.
1/40.25001/20.4880.5000.5560.57715/640.2180.2500.130.150.070.10
5/160.31259/160.5460.5620.6220.65019/640.2800.3140.190.210.090.12
3/80.375011/160.6690.6880.7630.79423/640.3410.3770.220.240.120.15
7/160.43753/40.7280.7500.8300.86627/640.4030.4410.260.280.120.15
1/20.50007/80.8500.8750.9691.01031/640.4640.5040.320.340.150.18
9/160.562515/160.9090.9381.0371.08335/640.5260.5680.350.370.150.18
5/80.62501 1/161.0311.0621.1751.22739/640.5870.6310.380.400.18.024
3/40.75001 1/41.2121.2501.3821.44347/640.7100.7580.470.490.180.24
7/80.87501 7/161.3941.4381.5891.66055/640.8330.8850.590.620.180.24
11.00001 5/81.5751.6251.7961.87663/640.9561.0120.690.720.240.30
1 1/81.12501 13/161.7561.8122.0022.0931 7/641.0791.1390.750.780.240.30
1 1/41.250021.9382.0002.2092.3091 7/321.1871.2510.830.860.310.40
1 3/81.37502 3/162.1192.1882.4162.5261 11/321.3101.3780.950.990.310.40
1 1/21.50002 3/82.3002.3752.6222.7421 15/321.4331.5051.011.050.370.46
1 3/41.75002 3/42.6622.7503.0353.1751 23/321.6791.7591.201.240.430.52
22.00003 1/83.0253.1253.4493.6081 31/321.9252.0131.381.430.430.52
2 1/42.25003 1/23.3883.5003.8624.0412 13/642.1552.2511.621.670.430.52
2 1/22.50003 7/83.7503.8754.2754.4742 29/642.4012.5051.741.790.550.64
2 3/42.75004 1/44.1124.2504.6884.9072 45/642.6472.7591.992.050.550.64
33.00004 5/84.4754.6255.1025.3402 61/642.8933.0132.172.230.620.71
3 1/43.250054.8385.0005.5155.7743 3/163.1243.2522.412.470.620.71
3 1/23.50005 3/85.2005.3755.9286.2073 7/163.3703.5062.652.720.620.71
3 3/43.75005 3/45.5625.7506.3416.6403 11/163.6163.7602.902.970.620.71
44.00006 1/85.9256.1256.7557.0733 15/163.8624.0143.153.220.620.71