Hex Slotted Castle Nut (in)

Written by Matt Milbury. Posted in Nut Datasheets

Standards

  • ASME Standards
    • ASME B18.2.2 - Square and Hex Nuts

Hex Slotted Castle Nut (in) Datasheet

hex slotted castle nut 1hex slotted castle nut

Bolt

Size

Width Across Flat


A

Width Across Corner

B

Thickness


C

Unslotted Thickness and Height of Flat

D

Width

of Slot

E

Radius

of

Flat

R

Dia

of

Cylinder

F

Runout

of

Bearing

Surface

BasicMaxMinMaxMinBasicMaxMinMaxMinMaxMaxMin
1/4 7/16 0.438 0.428 0.505 0.488 9/32 0.288 0.274 3/16 0.200 0.180 0.100 0.070 0.094 0.371 0.015
5/16 1/2 0.500 0.489 0.577 0.557 21/64 0.336 0.320 15/64 0.240 0.220 0.120 0.090 0.094 0.425 0.016
3/8 9/16 0.562 0.551 0.650 0.628 13/32 0.415 0.398 9/32 0.290 0.270 0.150 0.120 0.094 0.478 0.017
7/16 11/16 0.688 0.675 0.794 0.768 29/64 0.463 0.444 19/64 0.310 0.290 0.150 0.120 0.094 0.582 0.018
1/2 3/4 0.750 0.736 0.866 0.840 9/16 0.573 0.552 13/32 0.420 0.400 0.180 0.150 0.125 0.637 0.019
9/16 7/8 0.875 0.861 1.010 0.982 39/64 0.621 0.598 27/64 0.430 0.410 0.180 0.150 0.156 0.744 0.020
5/8 15/16 0.938 0.922 1.083 1.051 23/32 0.731 0.706 1/2 0.510 0.490 0.240 0.180 0.156 0.797 0.021
3/4 1 1/8 1.125 1.088 1.299 1.240 13/16 0.827 0.798 9/16 0.570 0.550 0.240 0.180 0.188 0.941 0.023
7/8 1 5/16 1.312 1.269 1.516 1.447 29/32 0.922 0.890 21/32 0.670 0.640 0.240 0.180 0.188 1.097 0.025
1 1 1/2 1.500 1.450 1.732 1.653 1 1.018 0.982 23/32 0.730 0.700 0.300 0.240 0.188 1.254 0.027
1 1/8 1 11/16 1.688 1.631 1.949 1.859 1 5/32 1.176 1.136 13/16 0.830 0.800 0.330 0.240 0.250 1.411 0.030
1 1/4 1 7/8 1.875 1.812 2.165 2.066 1 1/4 1.272 1.228 7/8 0.890 0.860 0.400 0.310 0.250 1.570 0.033
1 3/8 2 1/16 2.062 1.994 2.382 2.273 1 3/8 1.399 1.351 1 1.020 0.980 0.400 0.310 0.250 1.726 0.036
1 1/2 2 1/4 2.250 2.175 2.598 2.480 1 1/2 1.526 1.474 1 1/16 1.080 1.040 0.460 0.370 0.250 1.881 0.039