ASME B18.2.2 Thick Slotted Hex Nuts

ASME B18.2.2 Thick Slotted Hex Nuts

Dimensions for Thick Slotted Hex Nuts to ASME B18.2.2 Standard

Nominal Size
Inch
Basic Major
Thread Diameter
Width Across Flats, F Width Across Corners, G Thickness, H Unslotted Thickness, T Width of Slot, S
Basic Min. Max. Min. Max. Basic Min. Max. Min. Max. Min. Max.
1/4 0.2500 7/16 0.428 0.438 0.488 0.505 9/32 0.274 0.288 0.180 0.20 0.07 0.10
5/16 0.3125 1/2 0.489 0.500 0.557 0.577 21/64 0.320 0.336 0.220 0.240 0.09 0.12
3/8 0.3750 9/16 0.551 0.562 0.628 0.650 13/32 0.398 0.415 0.270 0.290 0.12 0.15
7/16 0.4375 11/16 0.675 0.688 0.768 0.794 29/64 0.444 0.463 0.290 0.310 0.12 0.15
1/2 0.5000 3/4 0.736 0.750 0.840 0.866 9/16 0.552 0.573 0.400 0.420 0.15 0.18
9/16 0.5625 7/8 0.861 0.875 0.982 1.010 39/64 0.598 0.621 0.410 0.430 0.15 0.18
5/8 0.6250 15/16 0.922 0.938 1.051 1.083 23/32 0.706 0.731 0.490 0.510 0.18 0.24
3/4 0.7500 1 1/8 1.088 1.125 1.240 1.299 13/16 0.798 0.827 0.550 0.570 0.18 0.24
7/8 0.8750 1 5/16 1.269 1.312 1.447 1.516 29/32 0.890 0.922 0.640 0.670 0.18 0.24
1 1.0000 1 1/2 1.450 1.500 1.653 1.732 1 0.982 1.018 0.700 0.730 0.24 0.30
1 1/8 1.1250 1 11/16 1.631 1.688 1.859 1.949 1 5/32 1.136 1.176 0.800 0.830 0.24 0.33
1 1/4 1.2500 1 7/8 1.812 1.875 2.066 2.165 1 1/4 1.228 1.272 0.860 0.890 0.31 0.40
1 3/8 1.3750 2 1/16 1.994 2.062 2.273 2.382 1 3/8 1.351 1.399 0.980 1.020 0.31 0.40
1 1/2 1.5000 2 1/4 2.175 2.250 2.480 2.598 1 1/2 1.474 1.526 1.040 1.080 0.37 0.46