Hex Machine Screw Nut (in)

Written by Matt Milbury on . Posted in Nut Datasheets

Standards

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

Hex Machine Screw Nut (in) Datasheet

hex machine screw nut drawinghex finished nut

Bolt

Size

Width Across Flat

A

Width Across Corner

B

Thickness

C

BasicMaxMinMaxMinMaxMin
#0 5/32 0.156 0.150 0.180 0.171 0.050 0.043
#1 5/32 0.156 0.150 0.180 0.171 0.050 0.043
#2 3/16 0.188 0.180 0.217 0.205 0.066 0.057
#3 3/16 0.188 0.180 0.217 0.205 0.066 0.057
#4 1/4 0.250 0.241 0.289 0.275 0.098 0.087
#5 5/16 0.312 0.302 0.361 0.344 0.114 0.102
#6 5/16 0.312 0.302 0.361 0.344 0.114 0.102
#8 11/32 0.344 0.332 0.397 0.378 0.130 0.117
#10 3/8 0.375 0.362 0.433 0.413 0.130 0.117
#12 7/16 0.438 0.423 0.505 0.482 0.161 0.148
1/4 7/16 0.438 0.423 0.505 0.482 0.193 0.178
5/16 9/16 0.562 0.545 0.650 0.621 0.225 0.208
3/8 5/8 0.625 0.607 0.722 0.692 0.257 0.239