ISO 4017Hexagon headExternal hexagon

ISO 4017 M4 × 50 Hexagon head

ISO 4017 M4 × 50 is a hexagon head bolt with a 50 mm nominal length, on a M4 × 0.7 mm metric thread. ISO version of the full thread hexagon head screw. Head dimensions are dimensionally compatible with DIN 933 for the same nominal size.

Dimensioned drawing — ISO 4017 M4 × 50k 2.8L 50⌀7.66⌀4
ISO 4017 M4 × 50 — Hexagon headNominal dimensions in mm · Not to scale
Diameter4 mm
Length50 mm
Pitch0.7 mm
Socket size s7 mm
Head height k2.8 mm
HeadHexagon head
DriveExternal hexagon

Dimensions

Standard
ISO 4017
Type
Hexagon head bolt
Size
M4 × 50
Thread
M4 × 0.7
Length L
50 mm
Socket size s
7 mm
Head height k
2.8 mm
Drive
External hexagon
Head
Hexagon head

Nominal values in millimetres as published in ISO 4017. Estimated weight 4.932 g per piece in steel (4.964 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM4 × 0.7
Pitch0.7 mm
Major Ø4 mm
Pitch Ø3.55 mm
Minor Ø ext3.14 mm
Tap drillØ 3.3 mm

Other lengthsISO 4017 M4

All M4 specifications

Interchangeability

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