ANSI ASME B18.3

Hexagon socket set screws - flat piont

tech-ansi-asme-b18-3-s330




Nominal Diameter
d		 0# 1# 2#
d thread length 0.06 0.073 0.086
PP UNC - 64 56
UNF 80 72 64
UNEF - - -
s Nominal Size 0.028 0.035 0.035
t min 0.05 0.06 0.06
dp max 0.033 0.04 0.047
min 0.027 0.033 0.039

Nominal Diameter
d		 3# 4# 5#
d thread length 0.099 0.112 0.125
PP UNC 48 40 40
UNF 56 48 44
UNEF - - -
s Nominal Size 0.05 0.05 0.062
t min 0.07 0.07 0.08
dp max 0.054 0.061 0.067
min 0.045 0.051 0.057

Nominal Diameter
d		 6# 8# 10#
d thread length 0.138 0.164 0.19
PP UNC 32 32 24
UNF 40 36 32
UNEF - - -
s Nominal Size 0.062 0.078 0.094
t min 0.08 0.09 0.1
dp max 0.074 0.087 0.102
min 0.064 0.076 0.088

Nominal Diameter
d		 1/4 5/16 3/8
d thread length 0.25 0.3125 0.375
PP UNC 20 18 16
UNF 28 24 24
UNEF 32 32 32
s Nominal Size 0.125 0.156 0.188
t min 0.125 0.156 0.188
dp max 0.132 0.172 0.212
min 0.118 0.156 0.194

Nominal Diameter
d		 7/16 1/2 5/8
d thread length 0.4375 0.5 0.625
PP UNC 14 13 11
UNF 20 20 18
UNEF 28 28 24
s Nominal Size 0.219 0.25 0.312
t min 0.219 0.25 0.312
dp max 0.252 0.291 0.371
min 0.232 0.27 0.347

Nominal Diameter
d		 3/4 7/8 1
d thread length 0.75 0.875 1
PP UNC 10 9 8
UNF 16 14 12
UNEF 20 20 20
s Nominal Size 0.375 0.5 0.562
t min 0.375 0.5 0.562
dp max 0.45 0.53 0.609
min 0.425 0.502 0.579

Nominal Diameter
d		 1-1/8 1-1/4 1-3/8
d thread length 1.125 1.25 1.375
PP UNC 7 7 6
UNF 12 12 12
UNEF 18 18 18
s Nominal Size 0.562 0.625 0.625
t min 0.562 0.625 0.625
dp max 0.689 0.767 0.848
min 0.655 0.733 0.808

Nominal Diameter
d		 1-1/2 1-3/4 2
d thread length 1.5 1.75 2
PP UNC 6 5 4.5
UNF 12 - -
UNEF 18 - -
s Nominal Size 0.75 1 1
t min 0.75 1 1
dp max 0.926 1.086 1.244
min 0.886 1.039 1.193



All information is strictly informative