ISO 14583

Hexalobular socket pan head screws

tech-iso14583




Thread Size
d		 M2 M2.5 M3
P Pitch 0.4 0.45 0.5
a max 0.8 0.9 1
dk max=nominal size 4 5 5.6
min 3.7 4.7 5.3
k max=nominal size 1.6 2.1 2.4
min 1.46 1.96 2.26
x max 1 1.1 1.25
Socket No. T6 T8 T10
A Ref. 1.75 2.4 2.8
t max 0.77 1.04 1.27
min 0.63 0.91 1.01
r min 0.1 0.1 0.1
Length of Thread b 16 18 19

Thread Size
d		 (M3.5) M4 M5
P Pitch 0.6 0.7 0.8
a max 1.2 1.4 1.6
dk max=nominal size 7 8 9.5
min 6.64 7.64 9.14
k max=nominal size 2.6 3.1 3.7
min 2.46 2.92 3.52
x max 1.5 1.75 2
Socket No. T15 T20 T25
A Ref. 3.35 3.95 4.5
t max 1.33 1.66 1.91
min 1.07 1.27 1.52
r min 0.1 0.2 0.2
Length of Thread b 20 22 25

Thread Size
d		 M6 M8 M10
P Pitch 1 1.25 1.5
a max 2 2.5 3
dk max=nominal size 12 16 20
min 11.57 15.57 19.48
k max=nominal size 4.6 6 7.5
min 4.3 5.7 7.14
x max 2.5 3.2 3.8
Socket No. T30 T45 T50
A Ref. 5.6 7.95 8.95
t max 2.42 3.18 4.02
min 2.02 2.79 3.62
r min 0.25 0.4 0.4
Length of Thread b 28 34 40



All information is strictly informative