DIN 933Hexagon headExternal hexagon
DIN 933 M5 × 12 Hexagon head
DIN 933 M5 × 12 is a hexagon head bolt with a 12 mm nominal length, on a M5 × 0.8 mm metric thread. A hexagon head fastener threaded all the way to the head. Glyph marking on the head identifies the property class, normally 8.8, 10.9 or A2-70.
Diameter5 mm
Length12 mm
Pitch0.8 mm
Socket size s8 mm
Head height k3.5 mm
HeadHexagon head
DriveExternal hexagon
Dimensions
- Standard
- DIN 933
- Type
- Hexagon head bolt
- Size
- M5 × 12
- Thread
- M5 × 0.8
- Length L
- 12 mm
- Socket size s
- 8 mm
- Head height k
- 3.5 mm
- Drive
- External hexagon
- Head
- Hexagon head
Nominal values in millimetres as published in DIN 933. Estimated weight 1.85 g per piece in steel (1.861 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M5 thread pageDesignationM5 × 0.8
Pitch0.8 mm
Major Ø5 mm
Pitch Ø4.48 mm
Minor Ø ext4.02 mm
Tap drillØ 4.2 mm
Other lengthsDIN 933 M5
All M5 specificationsInterchangeability
DIN 933 is catalogued with ISO 4017 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.