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(Non-preferred) dimensions in parentheses.

Unit:inch

Hexagon Screw Nuts, Size #0 To #12

BS 1981 - 1991

Display drawing:

英标BS 1981 - 1991 BS1981 1981BS Hexagon Screw Nuts, Size #0 To #12
Screw Thread
d
0# (1#) 2# (3#) 4# 5# 6# 8# 10# (12#)
PP UNC
UNF
s max
min
m Nominal Size
max
min
- 64 56 48 40 40 32 32 24 24
80 72 64 56 48 44 40 36 32 28
0.1562 0.1562 0.1875 0.1875 0.25 0.3125 0.3125 0.3438 0.375 0.4375
0.15 0.15 0.18 0.18 0.241 0.302 0.302 0.332 0.362 0.423
3/64 3/64 1/16 1/16 3/32 7/64 7/64 1/8 1/8 5/32
0.05 0.05 0.066 0.066 0.098 0.114 0.114 0.13 0.13 0.161
0.043 0.043 0.057 0.057 0.087 0.102 0.102 0.117 0.117 0.148
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