DIN 933Hexagon headExternal hexagon
DIN 933 M6 × 20 Hexagon head
DIN 933 M6 × 20 is a hexagon head bolt with a 20 mm nominal length, on a M6 × 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.
Diameter6 mm
Length20 mm
Pitch1 mm
Socket size s10 mm
Head height k4 mm
HeadHexagon head
DriveExternal hexagon
Dimensions
- Standard
- DIN 933
- Type
- Hexagon head bolt
- Size
- M6 × 20
- Thread
- M6 × 1
- Length L
- 20 mm
- Socket size s
- 10 mm
- Head height k
- 4 mm
- Drive
- External hexagon
- Head
- Hexagon head
Nominal values in millimetres as published in DIN 933. Estimated weight 4.439 g per piece in steel (4.467 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M6 thread pageDesignationM6 × 1
Pitch1 mm
Major Ø6 mm
Pitch Ø5.35 mm
Minor Ø ext4.77 mm
Tap drillØ 5 mm
Other lengthsDIN 933 M6
All M6 specificationsInterchangeability
DIN 933 is catalogued with ISO 4017 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.