DIN 965

Cross recessed countersunk (flat) head screws

tech-din965




Thread Size
d		 M1.6 M2 M2.5 M3
P Pitch 0.35 0.4 0.45 0.5
a max 0.7 0.8 0.9 1
dk max=nominal size 3 3.8 4.7 5.6
min 2.75 3.5 4.4 5.3
k max 0.96 1.2 1.5 1.65
r max 0.4 0.5 0.7 0.8
x max 0.9 1 1.1 1.25
Socket No. 0 1 1 1
M1 1.7 2.35 2.7 2.9
M2 1.8 2.2 2.5 2.8
Length of Thread b 15 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 6.5 7.5 9.2
min 6.14 7.14 8.84
k max 1.93 2.2 2.5
r max 0.95 1 1.3
x max 1.5 1.75 2
Socket No. 2 2 2
M1 3.9 4.4 4.6
M2 3.7 4 4.4
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 11 14.5 18
min 10.57 14.07 17.57
k max 3 4 5
r max 1.6 2 2.5
x max 2.5 3.2 3.8
Socket No. 3 4 4
M1 6.6 8.7 9.6
M2 6.1 8.5 9.4
Length of Thread b 28 34 40



All information is strictly informative