ISO 4014Hexagon headExternal hexagon

ISO 4014 M14 × 120 Hexagon head

ISO 4014 M14 × 120 is a hexagon head bolt with a 120 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.

Dimensioned drawing — ISO 4014 M14 × 120k 8.8L 120⌀23.35⌀14
ISO 4014 M14 × 120 — Hexagon headNominal dimensions in mm · Not to scale
Diameter14 mm
Length120 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 × 120
Length L
120 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 145.01 g per piece in steel (145.933 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM14 × 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 specifications

Interchangeability

ISO 4014 is catalogued with DIN 931 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.