DIN 933Hexagon headExternal hexagon

DIN 933 M14 × 30 Hexagon head

DIN 933 M14 × 30 is a hexagon head bolt with a 30 mm nominal length, on a M14 × 1.5 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.

Dimensioned drawing — DIN 933 M14 × 30k 8.8L 30⌀23.35⌀14
DIN 933 M14 × 30 — Hexagon headNominal dimensions in mm · Not to scale
Diameter14 mm
Length30 mm
Pitch1.5 mm
Socket size s21 mm
Head height k8.8 mm
HeadHexagon head
DriveExternal hexagon

Dimensions

Standard
DIN 933
Type
Hexagon head bolt
Size
M14 × 30
Length L
30 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 DIN 933. Estimated weight 36.252 g per piece in steel (36.483 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 lengthsDIN 933 M14

All M14 specifications

Interchangeability

DIN 933 is catalogued with ISO 4017 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.