DIN 912Socket head (cylindrical)Hexagon socket

DIN 912 M24 × 80 Socket head (cylindrical)

DIN 912 M24 × 80 is a socket head cap screw with a 80 mm nominal length, on a M24 × 2 mm metric thread. A cap screw with a cylindrical head and internal hex drive. Because the head sits above the surface and the drive is recessed, it can be tightened hard and used in counterbores for a flush finish.

Dimensioned drawing — DIN 912 M24 × 80k 24L 80⌀36⌀24
DIN 912 M24 × 80 — Socket head (cylindrical)Nominal dimensions in mm · Not to scale
Diameter24 mm
Length80 mm
Pitch2 mm
Socket size s19 mm
Head Ø dk36 mm
HeadSocket head (cylindrical)
DriveHexagon socket

Dimensions

Standard
DIN 912
Type
Socket head cap screw
Size
M24 × 80
Thread
M24 × 2
Length L
80 mm
Socket size s
19 mm
Head diameter dk
36 mm
Head height k
24 mm
Thread length b
60 mm
Drive
Hexagon socket
Head
Socket head (cylindrical)

Nominal values in millimetres as published in DIN 912. Estimated weight 475.868 g per piece in steel (478.899 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM24 × 2 fine
Pitch2 mm
Major Ø24 mm
Pitch Ø22.7 mm
Minor Ø ext21.55 mm
Tap drillØ 22 mm

Other lengthsDIN 912 M24

All M24 specifications

Interchangeability

DIN 912 is catalogued with ISO 4762 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.