ISO 4029HeadlessHexagon socket
ISO 4029 M16 × 16 Headless
ISO 4029 M16 × 16 is a socket set screw with a 16 mm nominal length, on a M16 × 1.5 mm metric thread. ISO equivalent of DIN 916, same cup point geometry and socket sizes.
Diameter16 mm
Length16 mm
Pitch1.5 mm
Socket size s8 mm
HeadHeadless
DriveHexagon socket
Dimensions
- Standard
- ISO 4029
- Type
- Socket set screw
- Size
- M16 × 16
- Thread
- M16 × 1.5
- Length L
- 16 mm
- Socket size s
- 8 mm
- Drive
- Hexagon socket
- Head
- Headless
Nominal values in millimetres as published in ISO 4029. Estimated weight 25.253 g per piece in steel (25.414 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M16 thread pageDesignationM16 × 1.5 fine
Pitch1.5 mm
Major Ø16 mm
Pitch Ø15.03 mm
Minor Ø ext14.16 mm
Tap drillØ 14.5 mm
Other lengthsISO 4029 M16
All M16 specificationsInterchangeability
ISO 4029 is catalogued with DIN 916 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.