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DIN 925 Standard Dimensions for Slotted raised countersunk head screws with dog point

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This standard DIN 925 specifies the characteristics of slotted countersunk head screws with dog point (flat head) for thread sizes M1,4 to M3 for product grades F and A.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 925
Publication date 06 - 2012 - Supersedes DIN 925 08 - 2006

d thread size

 M 1.4 M 1.6 M 2 M 2.5 M 3
P 0.3 0. 35 0.4 0.45 0.5
dk max=nom size 2.6 3 3.8 4.7 5.6
dp max=nom size 0.8 0.8 1.2 1.5 2
k min 0.59 0.71 0.95 1.25 1.4
max 0.84 0.96 1.2 1.5 1.65
n nom size 0.3 0.4 0.5 0.6 0.8
t min 0.28 0.32 0.4 0.5 0.6
max 0.4 0.45 0.6 0.7 0.85
z 0.2 0.2 0.25 0.35 0.4
Dimensions in mm - source DIN 925
Publication date 08 - 2006 - Supersedes DIN 925 09 - 1986

d thread size

 M 1.4 M 1.6 M 2 M 2.5 M 3
P 0.3 0.35 0.4 0.45 0.5
dk max=nom 2.6 3 3.8 4.7 5.6
dp max=nom 0.8 0.8 1.2 1.5 2
k max 0.84 0.96 1.2 1.5 1.65
n nom 0.3 0.4 0.5 0.6 0.8
t min 0.28 0.32 0.4 0.5 0.6
t max 0.4 0.45 0.6 0.7 0.85
z 0.2 0.2 0.25 0.35 0.4
Dimensions in mm - source DIN 925
Publication date 06 - 1986 -

d thread size

 M 1.4 M 1.6 M 2 M 2.5 M 3
P 0.3 0. 35 0.4 0.45 0.5
dk max=nom size 2.6 3 3.8 4.7 5.6
dp max=nom size 0.8 0.8 1.2 1.5 2
k max 0.84 0.96 1.2 1.5 1.65
n nom size 0.3 0.4 0.5 0.6 0.8
t min 0.28 0.32 0.4 0.5 0.6
max 0.4 0.45 0.6 0.7 0.85
z 0.2 0.2 0.25 0.35 0.4

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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