DIN 933Hexagon headExternal hexagon
DIN 933 M8 × 16 Hexagon head
DIN 933 M8 × 16 is a hexagon head bolt with a 16 mm nominal length, on a M8 × 1 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.
Diameter8 mm
Length16 mm
Pitch1 mm
Socket size s13 mm
Head height k5.3 mm
HeadHexagon head
DriveExternal hexagon
Dimensions
- Standard
- DIN 933
- Type
- Hexagon head bolt
- Size
- M8 × 16
- Thread
- M8 × 1
- Length L
- 16 mm
- Socket size s
- 13 mm
- Head height k
- 5.3 mm
- Drive
- External hexagon
- Head
- Hexagon head
Nominal values in millimetres as published in DIN 933. Estimated weight 6.313 g per piece in steel (6.354 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M8 thread pageDesignationM8 × 1 fine
Pitch1 mm
Major Ø8 mm
Pitch Ø7.35 mm
Minor Ø ext6.77 mm
Tap drillØ 7 mm
Other lengthsDIN 933 M8
All M8 specificationsInterchangeability
DIN 933 is catalogued with ISO 4017 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.