ISO 7046-1

Replace DIN 965

Countersunk flat head screws

With Philips cross recess H
With Pozidriv cross recess Z

tech-iso7046-1




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 Theoretical max 3.6 4.4 5.5 6.3
Actual max=nominal size 3 3.8 4.7 5.5
min 2.7 3.5 4.4 5.2
k max=nominal size 1 1.2 1.5 1.65
r max 0.4 0.5 0.6 0.8
x max 0.9 1 1.1 1.25
Socket No. 0 0 1 1
M1 Type H Ref. 1.6 1.9 2.9 3.2
Penetration depth Type H max 0.9 1.2 1.8 2.1
min 0.6 0.9 1.4 1.7
M2 Type Z Ref. 1.6 1.9 2.8 3
Penetration depth Type Z max 0.95 1.2 1.73 2.01
min 0.7 0.95 1.48 1.76
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 Theoretical max 8.2 9.4 10.4
Actual max=nominal size 7.3 8.4 9.3
min 6.94 8.04 8.94
k max=nominal size 2.35 2.7 2.7
r max 0.9 1 1.3
x max 1.5 1.75 2
Socket No. 2 2 2
M1 Type H Ref. 4.4 4.6 5.2
Penetration depth Type H max 2.4 2.6 3.2
min 1.9 2.1 2.7
M2 Type Z Ref. 4.1 4.4 4.9
Penetration depth Type Z max 2.2 2.51 3.05
min 1.75 2.06 2.6
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 Theoretical max 12.6 17.3 20
Actual max=nominal size 11.3 15.8 18.3
min 10.87 15.37 17.78
k max=nominal size 3.3 4.65 5
r max 1.5 2 2.5
x max 2.5 3.2 3.8
Socket No. 3 4 4
M1 Type H Ref. 6.8 8.9 10
Penetration depth Type H max 3.5 4.6 5.7
min 3 4 5.1
M2 Type Z Ref. 6.6 8.8 9.8
Penetration depth Type Z max 3.45 4.6 5.64
min 3 4.15 5.19
Length of Thread b 28 34 40



*minimum lengths


All information is strictly informative