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Dimension of M8 Countersunk Head Allen Screws

Dimension of M8 Countersunk Head Allen Screws

DIN 7991 - The German Industrial Norm for metric screw threads with coarse pitch. Learn about dimensions, tolerances, materials, and applications. Find DIN 7991 screws and bolts for your next project.

Specification #

StandardDIN 7991
NameHexagon socket countersunk head cap screws
MaterialAlloy Steel / High Tensile
ThreadMetric thread
Head shapeCountersunk head
Drive TypeHexagon socket
Surface FinishBlack Oxide
Measurement SystemMetric
Pitch TypeFine Pitch

Dimension #

Specification of ISO 7380 Hexagon Socket Countersunk Head Cap Screws

SizeDiaThread DiaHead Dia (mm)Head Height (mm)Allen Key SizeThread Length
M33mm2.86mm5.7 – 60.95 – 1.2230mm
M44mm3.82mm7.64 – 81.5 – 1.82.540mm
M55mm4.82mm9.64 – 102.05 – 2.5340mm
M66mm5.7mm11.57 – 122.25 – 2.5440mm
M88mm7.6415.57 – 163.2 – 3.5640mm

Note: The values provided are based on standard specification, the details are for information purpose only. To verify the dimension accuracy customers are requested to buy sample and verify before making bulk purchases. Always feel free to reach us for any help.

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