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Click Specification

(Non-preferred) dimensions in parentheses.

Reduced shanke bolts and screws with coarse thread - Cross recessed raised cheese head

DIN 7964 (C) - 1990

Thread Size
d
M2.5 M3 M4 M5 M6 M8 M10
P Thread Pitch
b1 0 ~ +2P Type K
Type L
b2 0 ~ +2P Type K
Type L
ds max
min
dk max=nominal size
min
k nominal size
max
min
Socket No.
M1
M2
c max
min
db max
min
0.45 0.5 0.7 0.8 1 1.25 1.5
3.2 3.8 5 6.25 7.5 10 12.5
10 12 14 16 18 22 26
3.75 4.5 6 7.55 8.5 11.2 14.3
10.55 12.7 15 17.3 19 23.2 27.8
1.9 2.3 3 3.9 4.6 6.2 7.7
1.7 2.1 2.8 3.7 4.4 6 7.5
5 6 8 10 12 16 20
4.7 5.7 7.64 9.64 11.57 15.57 19.48
2 2.4 3.1 3.8 4.6 6 7.5
2.12 2.52 3.25 3.95 4.75 6.15 7.68
1.88 2.28 2.95 3.65 4.45 5.85 7.32
1 1 2 2 3 4 4
2.7 3.1 4.6 5.3 6.8 9 10.2
2.6 3 4.3 5 6.7 8.8 9.9
1.2 1.3 1.5 1.8 2 2.4 2.9
0.7 0.8 1 1.3 1.5 1.9 2.4
2.5 3 4 5 6 8 10
2.36 2.86 3.82 4.82 5.82 7.78 9.78
①,Head dimensions as in DIN 7985.
②,For reinforcement, screws with recessed head are provided with a shoulder at the transition between head and shank.

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  • Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications