ISO 7380Button head (low dome)Hexagon socket

ISO 7380 M8 × 50 Button head (low dome)

ISO 7380 M8 × 50 is a button head socket screw with a 50 mm nominal length, on a M8 × 1 mm metric thread. A low dome head with internal hex drive. Chosen when you want a finished look without machining a countersink.

Dimensioned drawing — ISO 7380 M8 × 50k 4.4L 50⌀14⌀8
ISO 7380 M8 × 50 — Button head (low dome)Nominal dimensions in mm · Not to scale
Diameter8 mm
Length50 mm
Pitch1 mm
Socket size s5 mm
Head Ø dk14 mm
HeadButton head (low dome)
DriveHexagon socket

Dimensions

Standard
ISO 7380
Type
Button head socket screw
Size
M8 × 50
Thread
M8 × 1
Length L
50 mm
Socket size s
5 mm
Head diameter dk
14 mm
Head height k
4.4 mm
Drive
Hexagon socket
Head
Button head (low dome)

Nominal values in millimetres as published in ISO 7380. Estimated weight 25.046 g per piece in steel (25.206 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM8 × 1 fine
Pitch1 mm
Major Ø8 mm
Pitch Ø7.35 mm
Minor Ø ext6.77 mm
Tap drillØ 7 mm

Other lengthsISO 7380 M8

All M8 specifications