DIN 7984Low socket headHexagon socket
DIN 7984 M12 × 30 Low socket head
DIN 7984 M12 × 30 is a low head socket cap screw with a 30 mm nominal length, on a M12 × 1.5 mm metric thread. Same cylindrical hex socket head as DIN 912 but with roughly half the head height, for assemblies with limited vertical clearance. Lower head means lower permissible preload than a standard DIN 912 of the same size.
Diameter12 mm
Length30 mm
Pitch1.5 mm
Socket size s8 mm
Head Ø dk18 mm
HeadLow socket head
DriveHexagon socket
Dimensions
- Standard
- DIN 7984
- Type
- Low head socket cap screw
- Size
- M12 × 30
- Thread
- M12 × 1.5
- Length L
- 30 mm
- Socket size s
- 8 mm
- Head diameter dk
- 18 mm
- Head height k
- 7 mm
- Drive
- Hexagon socket
- Head
- Low socket head
Nominal values in millimetres as published in DIN 7984. Estimated weight 40.617 g per piece in steel (40.876 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