DIN 7991 Hexagon socket countersunk head cap screws - basic dimensions

DIN 7991 – Hexagon socket countersunk head cap screws

Basic dimensions for selected sizes

Size M6 M8 M10 M12 M16 M20 M24
dk
(min / max)
11.57-12 15.57-16 19.48-20 23.48-24 29.48-30 35.38-36 38.38-39
ds
(min / max)
5.82-6 7.78-8 9.78-10 11.73-12 15.73-16 19.67-20 23.67-24
e
(min.)
4.58 5.72 6.86 9.15 11.43 13.72 16
s
(nom.)
4 5 6 8 10 12 14
s
(min / max)
4.02-4.12 5.02-5.14 6.02-6.14 8.025-8.175 10.025-10.175 12.032-12.212 14.032-14.212
α
(degree)
90 90 90 90 90 90 60
Dimensions in millimetres

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