ISO 4014Hexagon headExternal hexagon
ISO 4014 M14 × 70 Hexagon head
ISO 4014 M14 × 70 is a hexagon head bolt with a 70 mm nominal length, on a M14 × 1.5 mm metric thread. ISO version of the partial thread hexagon head bolt. The standard thread length is defined by nominal length bands, so long bolts have a proportionally longer plain shank.
Diameter14 mm
Length70 mm
Pitch1.5 mm
Socket size s21 mm
Head height k8.8 mm
HeadHexagon head
DriveExternal hexagon
Dimensions
- Standard
- ISO 4014
- Type
- Hexagon head bolt
- Size
- M14 × 70
- Thread
- M14 × 1.5
- Length L
- 70 mm
- Socket size s
- 21 mm
- Head height k
- 8.8 mm
- Drive
- External hexagon
- Head
- Hexagon head
Nominal values in millimetres as published in ISO 4014. Estimated weight 84.589 g per piece in steel (85.128 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M14 thread pageDesignationM14 × 1.5 fine
Pitch1.5 mm
Major Ø14 mm
Pitch Ø13.03 mm
Minor Ø ext12.16 mm
Tap drillØ 12.5 mm
Other lengthsISO 4014 M14
All M14 specificationsInterchangeability
ISO 4014 is catalogued with DIN 931 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.