ISO 7380Button head (low dome)Hexagon socket
ISO 7380 M12 × 30 Button head (low dome)
ISO 7380 M12 × 30 is a button head socket screw with a 30 mm nominal length, on a M12 × 1.5 mm metric thread. A low dome head with internal hex drive. Chosen when you want a finished look without machining a countersink.
Diameter12 mm
Length30 mm
Pitch1.5 mm
Socket size s8 mm
Head Ø dk21 mm
HeadButton head (low dome)
DriveHexagon socket
Dimensions
- Standard
- ISO 7380
- Type
- Button head socket screw
- Size
- M12 × 30
- Thread
- M12 × 1.5
- Length L
- 30 mm
- Socket size s
- 8 mm
- Head diameter dk
- 21 mm
- Head height k
- 6.6 mm
- Drive
- Hexagon socket
- Head
- Button head (low dome)
Nominal values in millimetres as published in ISO 7380. Estimated weight 44.579 g per piece in steel (44.863 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M12 thread pageDesignationM12 × 1.5 fine
Pitch1.5 mm
Major Ø12 mm
Pitch Ø11.03 mm
Minor Ø ext10.16 mm
Tap drillØ 10.5 mm