ISO 7380Button head (low dome)Hexagon socket

ISO 7380 M4 × 12 Button head (low dome)

ISO 7380 M4 × 12 is a button head socket screw with a 12 mm nominal length, on a M4 × 0.7 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 M4 × 12k 2.2L 12⌀7.6⌀4
ISO 7380 M4 × 12 — Button head (low dome)Nominal dimensions in mm · Not to scale
Diameter4 mm
Length12 mm
Pitch0.7 mm
Socket size s2.5 mm
Head Ø dk7.6 mm
HeadButton head (low dome)
DriveHexagon socket

Dimensions

Standard
ISO 7380
Type
Button head socket screw
Size
M4 × 12
Thread
M4 × 0.7
Length L
12 mm
Socket size s
2.5 mm
Head diameter dk
7.6 mm
Head height k
2.2 mm
Drive
Hexagon socket
Head
Button head (low dome)

Nominal values in millimetres as published in ISO 7380. Estimated weight 1.967 g per piece in steel (1.98 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM4 × 0.7
Pitch0.7 mm
Major Ø4 mm
Pitch Ø3.55 mm
Minor Ø ext3.14 mm
Tap drillØ 3.3 mm

Other lengthsISO 7380 M4

All M4 specifications