Hex Flange Nut (in)

Written by Matt Milbury on . Posted in Nut Datasheets

Standards

  • ASME Standards
    • ASME B18.2.2 - Square and Hex Nuts
  • The bottom of the flange is serrated to resist loosening caused by vibration.

Hex Flange Nut (in) Datasheet

hex flange nut drawinghex flange nut

Bolt

Size

Width Across Flat

A

Width Across Corner

B

Thickness

C

Flange Diameter

E

Min.

Flange

Edge

Thickness

D

BasicMaxMinMaxMinBasicMaxMinMaxMin
1/4 7/16 0.438 0.428 0.505 0.488 15/64 0.236 0.222 0.594 0.574 0.040
5/16 1/2 0.500 0.489 0.577 0.557 9/32 0.283 0.268 0.680 0.660 0.040
3/8 9/16 0.562 0.551 0.650 0.628 21/64 0.347 0.330 0.750 0.728 0.040
7/16 11/16 0.688 0.675 0.794 0.768 1/4 0.395 0.375 0.937 0.910 0.040
1/2 3/4 0.750 0.736 0.866 0.840 7/16 0.458 0.437 1.031 1.000 0.050
9/16 7/8 0.875 0.861 1.010 0.982 31/64 0.506 0.483 1.188 1.155 0.050
5/8 15/16 0.938 0.922 1.083 1.051 35/64 0.569 0.545 1.281 1.248 0.050
3/4 1 1/8 1.125 1.088 1.299 1.240 41/64 0.675 0.627 1.500 1.460 0.060
7/8 1 5/16 1.312 1.269 1.516 1.447 3/4 0.788 0.735 1.750 1.706 0.070
1 1 1/2 1.500 1.450 1.732 1.653 7/8 0.900 0.850 2.000 1.950 0.080