DIN 7991 - Hexagon socket countersunk head cap screws - basic dimensions - Andrews Fasteners - CE Approved Bolts, Nuts & Washers
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DIN 7991 – Hexagon socket countersunk head cap screws – basic dimensions image

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  60

All dimensions in millimeters

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